Showing posts with label NOAA. Show all posts
Showing posts with label NOAA. Show all posts

Monday, August 28, 2023

Cathryn Newton, then 16, was on watch when the USS Monitor was found. The project was an amazing collaborative effort, she writes

Cathryn R. Newton on Eastward in 1973 (Courtesy of MIT Museum). Her mother,
Sunny, asked her father whether they found the wreck. He whispered, 'We think so'
Cathryn R. Newton found her career calling while sailing as a teen on the RV Eastward with her father, John G. Newton, and other scientists. They located the Civil War ironclad USS Monitor on Aug. 27, 1973. Since then, the Syracuse University dean emerita and professor has conducted extensive research on shipwrecks and marine fauna and environments. Newton, who was raised in Beaufort, N.C, recently led a scientific team that traveled to Newfoundland. The Civil War Picket asked for her recollections of the Monitor expedition and she submitted this essay.

50 years ago: Just after noon, we found the wreck of the USS Monitor, the most famous missing ship in America, on Aug. 27, 1973. Four investigators conducted this two-week, blue-water expedition organized and funded through the work of my father, John G. Newton, a Duke oceanographer and marine superintendent of the oceanography program; Harold "Doc" Edgerton, strobe pioneer, inventor, and longtime MIT engineering faculty who’d invented many of the instruments we used; Bob Sheridan of Delaware (later Rutgers), accomplished and hard-charging marine geophysicist who had a nearby seismic survey funded; and Gordon Watts, the brand-new marine archeologist at the state of North Carolina (the inaugural one).

Duke University's research vessel Eastward
Our team decided to take Monitor’s (+ towship USS Rhode Island’s) mariners at their word --and search near the edge of the continental margin 16 miles off  Hatteras. {All but one of many other Monitor searches in summer 1973 were near shore). My father, Bob Sheridan and Doc Edgerton wrote the proposals that had secured funding for the E-12-73 cruise from NSF and National Geographic Society (NGS).

My father had mapped the NC continental margin in a recent geological atlas and, with Orrin Pilkey, published the first work on the Hatteras Submarine Canyon. This background elevated our odds of success, but did not guarantee it.

I was a 16-year-old Duke sophomore who’d worked all summer making cross sections and assembling geological/bathymetric data for the upcoming cruise; my friends Paul Kelly and Bob Springle were deployed in parallel. Shy, hardworking and unconfident, I logged many hours at the Duke Marine Lab preparing cruise materials, and had expressed an interest.

Yet the expedition consisted principally of towering figures in ocean sciences, with a few doctoral students. Then came a surprise: 24 hours pre-departure, a space held for a woman member of the NGS Explorers Club came vacant. This young girl leapt into the air with joy.

1973: Gordon Watts, front left, behind him John Harris; on right, from back,
Robert Sheridan, John Newton, Cathryn Newton and Harold Edgerton (NOAA)
Following the one best piece of advice ever from my mother Sunny Newton, I kept a journal of the expedition, the only one extant. When my father died without notice at 52 of heart failure in 1984, I inherited every bit of planning material for the expedition and all the files amassed while they (Dad, artist Sandy Belock and Gordon Watts) tried to figure out what we were seeing in this complex shipwreck. I have written a book manuscript on all this, with input from many, and sent it to my superb editor.

As I write, it is noon on August 27. Fifty years ago to the minute, our 12-4 midwatch came on duty. My watch was headed by get-it-done geophysicist Bob Sheridan. Second mate Tom Stout, a veteran Navy captain on loan from University of Rhode Island, was on the bridge. The other three investigators were having lunch in the galley. I was deployed to the Simrad recorder in the wet lab -- a basic depth recorder, not as refined a view of things as on the vertical PDR (portable diver recall) in the electronics lab.

Just after noon, it recorded something that looked like a smudge. I was trying to figure it out when veteran electronics technician Fred Kelly, one of my father’s closest colleagues, was coming in to put his fishing gear away and told me this could be it.

Bob and Tom Stout instantly reacted, and Stout remarkably brought the ship about immediately over the wreck. A high-contrast target appeared on the vertical PDR up above -- with the intensity expected for a metal wreck. It could be Monitor! Doc Edgerton’s side-scan sonar disclosed an arcuate piece that might be the turret, but in the wrong orientation.

We spent several days documenting the wreck, as the ship time ended on August 31. The target was not what we’d expected -- rather than atop the wreck, the turret was underneath, and had landed slightly to one side. But working with artist Sandra Belock, a recent Rhode Island School of Design graduate, and replaying the underwater television tapes again and again, and gaining input from Gordon Watts, the three figured it out.

By January 1974, Gordon confirmed their collective view that the ship had “turned turtle” as Doc said aboard E-12-73. The turret, which was only loosely articulated to the hull (in part to support the rotation) had fallen off as the ship inverted, and the upside-down hull fell only partly atop the turret.

We announced the find at a press conference at Duke University with then-president Terry Sanford, one that Dad, Gordon and I attended in early March 1974. But that is a story for another day. Walter Cronkite (CBS evening news broadcast) and The New York Times (front page) covered the story -- not bad for a group of ocean scientists out of Beaufort, North Carolina!

For my dear friends and students, you now see the origins of my impassioned commitment to undergraduate research. Being part of this changed my life. That is likely true of everyone involved -- all 60 people on three research vessels, including those of us on Duke’s RV Eastward. (Cathryn R. Newton at left)

There were more than 60 or us at sea and dozens more on land. John Newton would be the first to mention the tremendous contributions to finding Monitor from the remarkable people of Eastward, as well as boatswain (bosun) Curtis Oden Sr. of Beaufort or the stunning seamanship of Capt. Harold Yeomans of Down East in deploying both underwater television and two cameras simultaneously. He would mention the core contributions of historical cartographer Dorothy Nicholson of NGS, and would note with pride that the first woman ship’s mate at Duke, Susan Barker, was also part of this team.

These ocean scientists and Eastward's professional crew, both highly accustomed to mapping at sea, acted in an interdisciplinary way to find something that no marine archeologists at the time could have found -- they just were not yet using these techniques of swath mapping that are now standard.

Moreover, I remain sincerely and deeply grateful to every person who contributed -- both in E-12-73 and especially the stunning sanctuary, recovery and museum processes to follow. Let's honor the full expedition as well those who've done such a tremendous job to keep Monitor alive.

PICKET COVERAGE OF USS MONITOR

-- John Harris: He became a hang glider pilot and founded Kitty Hawk kites. But first, he ran the 1973 expedition's underwater camera system.
-- Gordon Watts: Young archaeologist confirmed location of shipwreck.
-- Go deep for 50th anniversary of USS Monitor discovery: Printable 3D artifacts, webinar and a 360-degree video of ironclad's resting place
-- USS Monitor: Navy recognizes Virginia museum for cleaning of ironclad's two Dahlgren guns, which are still being conserved
-- The USS Monitor overcame doubters. Its crew trusted the ironclad, even during the terrible storm that sank the famous ironclad.
-- What do USS Monitor, Jimmy Fallon have in common? Saugerties, NY. This town morphed from industrial 'Inferno' to a cool tourist spot

Monday, June 11, 2018

Picket exclusive: These two sailors went down with the USS Monitor. Now you can see items they carried or were found near them

(Civil War Picket photos)

They are the kinds of things one might carry in a pants pocket: A rubber comb to tame a lock of hair, a small pocketknife, a wisp of string and a stray button that needs reattaching.

While seeming so ordinary, two dozen artifacts under glass at The Mariners’ Museum and Park in Newport News, Va., tell an incredible story filled with mystery, hope and terror -- a very human story.

Sixteen crew members perished when the Federal ironclad USS Monitor sank during a storm off Cape Hatteras, N.C., on Dec. 31, 1862. At the time, it was being towed to a new duty station -- nine months after its famous clash with the CSS Virginia a few miles from the museum. Nearly 50 men were rescued.

The exhibit, which opened last year, showcases items found in the turret. “These objects were found in context with human remains,” says Tina Gutshall, conservation administrator with the museum’s USS Monitor Center. The exhibit is in a gallery that includes two large replicas of the turret; one depicts how the inside looked 140 years later.

The turret was raised by U.S. Navy and other divers in 2002 and brought to Newport News. The museum and the National Oceanic and Atmospheric Administration, or NOAA, removed tons of silt and made the discoveries.

Despite advanced forensics testing and physical descriptions of sailors noted during their Civil War service, the identities of the two crew members remain unknown. Sailor 1 is believed to be William H. Eagan or Jacob Nicklis (Nickles). Sailor 2 is likely either William Bryan or Robert Williams.

“They all speak to me,” USS Monitor Center director emeritus John Quarstein said of the items, which are accompanied by facial and skull reconstructions made during the federal government’s quest to find descendants through a DNA match.

Image courtesy of Mariners' Museum and Park, Newport News, Va.
(Civil War Picket photo)

At top and center in the small exhibit are two pieces of footwear (above). Sailor 1 was found with a mismatched boot and shoe.

“At the moment leading up to the sinking, my hunch is these men were putting anything on that was dry,” said David Alberg, superintendent of the Monitor National Marine Sanctuary.

In the chaos, crew members scrambled out of the turret, with the goal of being rescued by the USS Rhode Island. They left a jumble of clothing, shoes and items.

Among the artifacts is a bent spoon that has the initials “JN.” It likely belonged to Nicklis, a 21-year-old sailor from Buffalo, New York. Quarstein believes the utensil was struck by a heavy object – perhaps two Dahlgren guns -- when the Monitor plunged 236 feet and hit bottom.

“There are a lot of spoons and other objects found in the turret. You can imagine the chaotic situation. Some are desperately trying to keep the Monitor afloat, and the last pump of the Worthington pump was the death knell.”

Image courtesy of Mariners' Museum and Park, Newport News, Va.

Almost immediately after the Monitor hit bottom, the coal stores gave way and sealed in those who could not escape. The two skeletal remains include bone breaks caused by the cannon striking them.

“They died very swiftly, though the ride down was clearly a terrifying 20 to 30 seconds,” Alberg told the Picket.

Officials spent more than a decade studying the bones and trying to determine to whom they belonged. They asked the public to look at photos, go through the attic and review family histories. “Trying to get people to come forward with a match with maternal DNA, didn’t happen,” Alberg said.

The two remains were buried in March 2013 at Arlington National Cemetery in Virginia. While it may be a long shot, there’s a chance their identities may be known one day.

For Alberg, who was present at the burial, it might be better that they remain unknown.

“They belong all of us together.”

The Picket visited the museum in March and conducted interviews during and after that visit. Here are summaries of the items, based on museum descriptions and those conversations. Artifact photos are courtesy of The Mariners' Museum and Park, Newport News, Va. The description of each artifact is below or next to the photograph. Please click each image to enlarge:

Image courtesy of The Mariners' Museum and Park, Newport News, Va.

WELLINGTON LEATHER BOOT, LEFT FOOT
The brown boot, found on the feet of Sailor 1, is in fragile condition. The upper portion of the boot was not attached. “It is possible that the detachment is contemporary with its original use and not related to deterioration after the wreck.” This crew member was wearing two different shoes at the time of the sinking. Remnants of a sock were found in the boot.

Image courtesy of The Mariners' Museum and Park, Newport News, Va.

LEATHER SHOE, RIGHT FOOT
This was the other piece of footwear worn by Sailor 1, showing he may have grabbed what was nearest while trying to escape. “The shoe is made of leather, brown in color with heavy iron staining and in fragile condition yet structurally stable in general." There may be residue of human tissue on the item.

Image courtesy of The Mariners' Museum and Park, Newport News, Va.

RUBBER HAIR COMB
This comb was found by the tibia of Sailor 2. It was made by India Rubber Company, with a May 1851 Goodyears patent. One side has a U.S. Navy inscription. 

GOLD RING
This is possibly a wedding band and is in excellent condition. It was found on the third finger of the right hand of the sailor, possibly worn by Jacob Nicklis. The gold ring has a sealed joint at the back and is decorated with a pattern of swirls, lines and crescents. “Some of the decoration is fairly crude indicating that the ring may have been decorated by the crewman himself or a non-professional jeweler.” Nicklis never married. “There is no way we can really know is it a wedding ring or not,” said Quarstein.

SILVER SOUP SPOON
This Rogers & Bros. decorative spoon bears the initials “JN,” indicating it is more than likely the property of ordinary seaman Jacob Nicklis, 21, of Buffalo, New York.Nicklis came on board the USS Monitor on Nov. 7, 1862, when it was undergoing repairs at the Washington Navy Yard. In a letter to his father, Nicklis said while he did not care for his accommodations on the Monitor's berth deck, he conceded that he at least had "plenty to eat and drink" including rations of sea biscuits and "what they call coffee." 

The bent spoon has a significant dent on one edge, indicating it may have been smashed when the Monitor struck the bottom and heavy objects were dislodged. The spoon was found near the left femur. The location, according to the museum, suggests placement in the front left pocket.

Image courtesy of The Mariners' Museum and Park, Newport News, Va.

SPOON STANDARD SIZE
Rogers Bros. is stamped on the back of the handle, and the front has the initial “S.” After treatment, the shiny silver utensil is free of all debris and in excellent condition. 

BRASS BUTTON
The copper alloy button with four recessed holes is in excellent condition. It was found near the wrist of Sailor 1.

The button was likely a part of the uniform worn by crew members aboard Monitor. There is no textile associated with the button.

Images courtesy of The Mariners' Museum and Park, Newport News, Va.

SKELETON KEY
This was found among pockets for Sailor 2. The main key body is tubular with outstanding rings and detail. The tooth of the key, which was made of copper alloy, is perpendicular to the key body. This object is in extremely fragile condition. 

FLYING EAGLE COIN
This coin was with other items in Sailor 2’s pocket. It is a Flying Eagle coin, one of the first small pennies made in the US. It is made of German silver and is in fair and stable condition.

The edge of the coin is uneven and irregular and no design is discernible on either face. The surface of this coin is eroded beyond recognition of any design or lettering.

LIBERTY HEAD HALF PENNY
This corroded/eroded coin may have been minted in 1813. It is made of copper and is in extremely fragile condition. The edge of the coin is jagged, uneven and irregular.

Although details are difficult to discern, the coin has a decorative serration around the front edge. On the back is what remains of the words HALF PENNY. The coin and other items were together in a pocket.

WOOL FIBERS
This wool string fragment was recovered from the mouth of Sailor 1 in 2002. The string appears to be braided in some areas and frayed throughout. The string is approximately 8” long when laid out straight. The dark brown string is in good condition after treatment.

Image courtesy of The Mariners' Museum and Park, Newport News, Va.

SILK FIBERS
Three separate masses are made of wool, silk and another unidentified vegetal fiber such as linen, flax or hemp.

BONE BUTTON
This is one of nine buttons recovered from the dredge spoil around Sailor 1‘s hand area. The button is dark brown in color and in good, yet fragile, condition. The button has a concave center with four thread holes and is made of bone. 

MOTHER OF PEARL BUTTON
This four-hole mother of pearl button was found with other items in what was the pocket of one of the crew members. The button holes are filled with green concretion and may contain traces of thread. It at one point was concreted to a bone button.

Image courtesy of The Mariners' Museum and Park, Newport News, Va.

WOOD KNIFE HANDLE
These wooden pieces appear to have belonged to a knife rather than a fork or spoon due to the flat shape. Each half of the handle has a 3/16" diameter hole in the butt, as well as four small pin holes. There is no metal remaining and the two halves have separated. 

Image courtesy of The Mariners' Museum and Park, Newport News, Va.

POCKETKNIFE HANDLE
These knife handle parts are made of bone and still have some visible iron staining from the blade. “The exterior faces of the handles, those that were not against the bolster lining, have a gnarled, uneven surface, similar to antler. The interior faces of the handles are mostly smooth with visible saw marks related to manufacturing.” The museum says the artifact was concreted with other contents from one of the sailor’s pockets.


(Picket photo)

Coming soon: When it was launched, many didn’t think the USS Monitor would meet success. They were wrong. A closer look at the crew and the ironclad’s history.

Saturday, January 12, 2013

3-D mapping allows viewers to 'swim' through Civil War wreck off Galveston

A three-dimensional map provides fascinating new details of the largely-intact wreckage of the only Union vessel sunk in combat in the Gulf of Mexico.

The CSS Alabama (background) battles the USS Hatteras. (Copyright, Tom Freeman)
The National Oceanic & Atmospheric Administration on Friday released 3D sonar images of the USS Hatteras, which rests about 60 feet below the surface. Publication of the findings coincide with observances of the 150th anniversary of the Battle of Galveston, Texas.

The Confederate raider Alabama sank the gunboat about 20 miles off Galveston on Jan. 11, 1863.

This three-dimensional sonar scan shows a top view of remains of the USS Hatteras. (Credit: NOAA)
"Most shipwreck survey maps are two-dimensional and based on observations made by sight, photographs or by feeling around in murky water while stretching a measuring tape," said James Delgado, director of maritime heritage for NOAA's Office of National Marine Sanctuaries. "Thanks to the high-resolution sonar, we have ... the ability for researchers and the public to virtually swim through the wreck's exposed remains and even look below the surface at structure buried in loose silt."

A diver examines the Hatteras' paddlewheel in September 2012 (Credit: Jesse Cancelmo)
Recent storms allowed for divers and researchers to survey the Hatteras. In a statement released by NOAA, Delgado said the sonar survey showed survival of most of one paddlewheel, and revealed most of the ship's stern and rudder are emerging from the sand.

The survey plots damage to the paddlewheel shaft and damage to engine room machinery.

"The engine room spaces were a dangerous place in the battle," Delgado said. "Cannon fire severed steam lines and filled these spaces with scalding steam. Fires broke out, and yet the crew stayed at their post to keep the ship running and fighting, and in here, two of them paid the ultimate price."

• Watch sonar video of USS Hatteras

Monday, September 10, 2012

Teams start mapping Gulf shipwreck of boat sunk by famed raider Alabama

Divers on Monday deployed 3-D mapping sonar at the wreck site of a Federal gunboat forced to surrender during a brief broadside battle with the famous Confederate commerce raider CSS Alabama.

The USS Hatteras, largely buried in sand 20 miles south of Galveston, Texas, was the only Union warship sunk in combat in the Gulf of Mexico.

The side-wheeler went down Jan. 11, 1863, after the disguised Alabama lured it into battle (Hatteras at right in illustration).

A memorial service was held Monday at the site in memory of the two U.S. sailors who died during the battle, said Shelley du Puy, education and outreach coordinator for the Flower Garden Banks National Marine Sanctuary in Galveston. "Their bodies were never found. They are presumed to be still in the vessel," she said.

The aim Monday and Tuesday is to document the storm-exposed remains, about 60 feet beneath the surface. A paddlewheel and the stern are partially exposed.

Du Puy said she had not yet learned the condition of the wreckage, but federal agencies previously said it was believed to be largely intact. The hull is believed to be entirely covered by sand.

"It is mapping little sections of the wreck one at a time," Du Puy told the Picket about the work of sonar. "It will be pretty high resolution. They will stitch these pieces together as one 3D mosaic (image)."

"We want to help further the knowledge base and use this in our education and outreach."

The National Oceanic and Atmospheric Administration (NOAA) is working with the Bureau of Ocean Energy Management (BOEM) and the state of Texas on the mapping project.

According to Du Puy, 2008's Hurricane Ike and other conditions made this week an ideal time to map the wreck.

"Typically, the visibility is not good," given heavy silt and currents, said Du Puy. "There is a lot of wave action going on."

Because it is a U.S. Navy ship and two men died, the 210-foot USS Hatteras -- listed on the National Register of Historic Places -- has special protection.

Recreational divers are allowed, but they are not permitted to disturb or damage the wreck or take any artifacts, said Robert Neyland, head of the underwater archaeology branch at the Naval History and Heritage Command in Washington.

The Hatteras was part of the West Gulf Blockading Squadron commanded by Union Rear Adm. David Farragut. The squadron blocked the passage of goods, supplies, and arms to and from the Confederacy on the Atlantic and Gulf coasts.

Built in 1861 as the St. Mary, the iron-hulled Hatteras was converted into a gunboat. After successful service in Florida, the boat joined Farragut's squadron and captured seven Rebel blockade runners off Louisiana.

According to Edward T. Cotham, Jr. of the Terry Foundation, Union vessels were sent to avenge the loss of Galveston to Confederate forces.

On Jan, 11, 1863, the Hatteras was ordered to pursue a vessel that showed on the horizon.

"She chased the intruder for four hours, closer and closer into shore, and farther and farther from her supporting fleet," according to an article on the BOEM website. "Finally, as dusk was falling, the Hatteras came within hailing distance of the square-rigged, black-hulled vessel."

Skipper Homer C. Blake demanded to know the identity of the ship commanded by Raphael Semmes (photo above; as a side note, Semmes mistakenly thought Union forces had retaken the city and had arrived to harass transports supporting an invasion).

"Her Britannic Majesty’s Ship Vixen," came the reply. Blake ordered one of Hatteras’ boats launched to inspect the "Britisher."

At some point, the Confederate crew identified the ship as the Alabama.

The battle was a mismatch. The Alabama was a superior vessel and was well-manned, according to Neyland.

Eights minutes into the broadside exchange, a Confederate shell set a fire near the Hatteras' magazine. Meanwhile, many of its armor plates had been blown off and water poured in.

With his vessel immobile and about to be the subject of deadly raking fire, Blake surrendered, according to Cotham. Two men died and the remaining 121 surrendered.

The battle was over in 13 minutes; the USS Hatteras soon sank.

Asked whether the USS Hatteras had a chance, Neyland told the Picket, "There is always a chance of a lucky shot."

NOAA said it plans to present results from the mapping mission in Galveston next January during local events marking the 150th anniversary of the sinking of the Hatteras.

After Galveston, the CSS Alabama went on to greater fame when it battled the USS Kearsarge, which sank the Confederate raider off Cherbourg, France, in June 1864.

The Alabama also is the property of the United States, said Neyland. Many of its artifacts, including three guns and personal effects, were removed. Items are stored or displayed in locations in the United States, including Mobile, Ala.

Illustration and photos credit: U.S. Naval Historical Center


More on the battle, Hatteras shipwreck

Wednesday, March 28, 2012

They didn't truly fire blind on Ft. Jackson

Verve and a mathematical calculations enabled Union mortar boats to fire on Fort Jackson -- a guardian fort below New Orleans -- outside the Rebel line of fire. The success helped paved the way for the taking of the largest city in the Confederacy.

NOAA, in an article released Tuesday, provides details of the survey work of Coast Survey Assistant Ferdinand Gerdes, who it calls one of the unsung heroes of the Civil War.

Gerdes was employed by the U.S. Coast Survey, predecessor of NOAA.

Fort Jackson and Fort St. Philip, two Confederate forts essential to New Orleans’ defense, were located on opposite sides of the Mississippi 70 miles south of the city. Commander David Dixon Porter (below) got permission to damage their guns.

"By relying on mathematical calculations — using survey coordinate points established by Coast Survey teams, rather than judging distance by sight — Gerdes would give coordinates to Union flotilla gunboats so they could aim their weapons without seeing the target," NOAA said.

Gerdes' team, under fire, established survey markers on the shore and made maps and charts. They measured a series of small triangles.

On April 18, 1862, Union boats began their attack on Fort Jackson. Over the next six days, an estimated 4,000 mortar shells rained on the fort.

"When the Confederates discovered where the shells were coming from and started firing back, the boats would have to move, which meant additional surveying — again, often under fire," according to NOAA.

WIth the help of damaging bombardments, the Union fleet, which included 6,000 troops, under Adm. David Farragut was able to get by the forts, chain barriers and a Confederate ironclad. Demoralized troops at Fort Jackson mutinied and both forts surrendered just days later. New Orleans, a key port, fell to Farragut's expedition.

Map credit: Plan of Fort Jackson, NOAA Coast Survey sketch, from the Coast Survey historical collection


Collection of Civil War maps, charts and documents

Monday, January 30, 2012

USS Monitor website launched

The National Oceanic and Atmospheric Administration on Monday launched a website highlighting the brief, but important, career of the USS Monitor, the little ironclad that could.

The unveiling of the website coincides with the 150th anniversary of the Monitor's first launch on Jan. 30, 1862.

The site includes information on the ironclad's construction, inventor John Ericsson, life on board, the Battle of Hampton Roads, anniversary events and the vessel's discovery and conservation.

“This is a momentous year for an influential piece of American history,” said David Alberg, superintendent of NOAA’s Monitor National Marine Sanctuary, in a statement. “We will continue to mark important dates throughout the year, including the Battle of Hampton Roads and the sinking of the USS Monitor, through special public events.”

The Monitor is best known for its stalemate battle with the Confederate ironclad CSS Virginia off Hampton Roads, Va., on March 9, 1862. That confrontation marked the end of the era of wooden warships.

Photo of turret being raised in 2002 off Cape Hatteras, N.C., courtesy of NOAA.

Saturday, February 12, 2011

Rediscovered map shows slave numbers

NOAA, the agency better known for tracking weather, climate change and marine interests, says it has found a historic map that President Abraham Lincoln used to develop a war strategy against the South. The map, drawn by the U.S. Coast Survey, NOAA’s predecessor agency, in 1861, shows the heaviest concentrations of slavery. • Article