Cotton in kayak at Mumtrakamut

Surgeon Sommer on bridge of Steamer EXPLORER at Bremerton Navy Yard

Coal being hoisted aboard Steamer EXPLORER from coal barge at Goodnews Bay

The coal barge at Goodnews Bay.

Venison for dinner (for the next week) on board the USC&GS Ship EXPLORER

Wireless operator Lovlee of the USC&GS Ship EXPLORER

Surgeon Sommer with wrap-around caribou antlers found on Unimak Island

USC&GS Steamer YUKON under sail and steam churning and burning.

Eagle perched atop the Bilby tower at Couba Island. This is perhaps the last complete Bilby tower in existence and will be relocated to Osgood, Indiana, the hometown of Jasper Bilby, inventor of the Bilby tower. The Surveyors Historical Society is overseeing this effort.

Tthe Bilby tower at Couba Island. This is perhaps the last complete Bilby tower in existence and will be relocated to Osgood, Indiana, the hometown of Jasper Bilby, inventor of the Bilby tower. The Surveyors Historical Society is overseeing this effort.

Tthe Bilby tower at Couba Island. This is perhaps the last complete Bilby tower in existence and will be relocated to Osgood, Indiana, the hometown of Jasper Bilby, inventor of the Bilby tower. The Surveyors Historical Society is overseeing this effort.

Tthe Bilby tower at Couba Island. This is perhaps the last complete Bilby tower in existence and will be relocated to Osgood, Indiana, the hometown of Jasper Bilby, inventor of the Bilby tower. The Surveyors Historical Society is overseeing this effort.

Geodetic marker on the junction of North Carolina, Virginia, and Tennessee borders. hometown of Jasper Bilby, inventor of the Bilby tower. The Surveyors Historical Society is overseeing this effort.

Whitewashing signal for visual hydrographic operations.

Signal building party on beach. Hauling skiff back to water after tide dropped.

Bottom coverage comparison of leadline, single beam acoustic sounding, and multi -beam acoustic sounding methods.

Coast and Geodetic Survey Ship PATHFINDER in rough weather in North Pacific

Quiet Alaskan cove at sunset

A scene in Alaska's Inside Passage

A scene in Alaska's Inside Passage

A scene in Alaska's Inside Passage seen from the starboard bridge wing of the Coast and Geodetic Survey Ship PATHFINDER

Mudflats in Cook Inlet at low tide

Coast and Geodetic Survey ShipPATHFINDER tied up at low tide at a Cook Inlet pier. Note gun tubs on stern, still not removed from World War II service .

Tripod signal erected by Capts. Dorr and Donn of U.S. Coast Survey at Pulpit Rock on Lookout Mountain. Battle of Chattanooga. Are John Donn and Frederick Dorr the two men in this image?

Topographical engineers at Camp Winfield Scott, vicinity of Yorktown, Va. Are John Donn and Frederick Dorr in this image? William Palmer, good friend of Bache and former Assistant in Charge of the Office was head of mapping for the Union forces prior to his death from disease on the Peninsula. Is he in this photo?

Range marker seen in Kodiak

Launch work in Pavlof Islands off NOAA Ship RAINIER

Launch work in Pavlof Islands off NOAA Ship RAINIER

Launch work in Pavlof Islands off NOAA Ship RAINIER

Launch work in Pavlof Islands off NOAA Ship RAINIER

Retrieving Salinity Temperature Depth instrument during launch survey operations . This information is required for both sound velocity and ray-bending corrections.

There is a lot of truth in this sign.

Tasting (perhaps simulating tasting) bottom sample material

Japanese gun emplacement overlooking the harbor

Dark Cove Camp at Kiska

The dock at Kiska Harbor

Building party arrived at 3,000 foot level camp at Army deserted meteorological outpost

Building party stopped for lunch on a boulder beach

Japanese concrete pillbox in Kiska Harbor

Boatswain Petersen with dog and Woodrow Gholston on pier at Kiska

Army base on Kiska - possibly Japanese built during occupation of island

Japanese Shinto shrine on Kiska

Japanese Shinto shrine on Kiska

Japanese Shinto shrine on Kiska

Pier at Dutch Harbor - Japanese maritime cadet waiting for Japanese ship to dock

Thomas and Gholston at after steering in the Inside Passage.

Dehart Serrill on trusty steed at O.K. Bay. The Coast Survey used pack horses in the Aleutian Islands prior to the Second World War.

Gene Phelps on trusty steed at O.K. Bay camp. The Coast Survey used pack horses

W. H. Gholson on trusty steed at O.K. Bay camp. The Coast Survey used pack horses from a Utah wrangler in the Aleutian Islands prior to the Second World War.

Lt. Commander James D. Thurmond taking a horizontal sextant angle during hydrographic surveying operations. Thurmond was the officer in charge of the OK Bay survey camp.