Amphibious landing beach on Tinian at H+5 hours. Note survey crew on left already beginning work for artillery survey

Measuring a baseline at low tide across reef area.

Jeremiah Morton's survey crew on Saipan. Newspaper article termed Morton and his crew "sniper bait"

Hydrographic survey signal on Mt. Suribachi, Iwo Jima. This signal was erected within a short time of the famous American flag raising .

Transportation on the upper Amazon River. Transporting survey crews of Carl Aslakson. Aslakson with Army Air 311th Air Photo Wing

Projection scheme for aeronautical charts of the U.S. Army Air Forces. This scheme was developed by Paul A. Smith, head of C&GS aeronautical charting. Army Air Forces routes pioneered modern commercial routes

C&GS Puerto Princesa, Philippines chart with military grid. Philippine Islands covered by C&GS charts prior to war. Charts helped U.S. forces transport men and equipment. Offensive operations planned using C&GS charts as well

Photo of Nazi submariner foot (?) trying to get out of submarine escape hatch. Office of Strategic Services project to find sunken vessels with new technology . Ray Tryon and John O. Phillips worked off USCGC GENTIAN in 1944. Example of early surface controlled ocean bottom photography

Woman professional operating tide prediction machine. World War II opened up many opportunities for women. Over 1/2 of males with C&GS joined the Armed Services

WEMS - The Women's Emergency Map Service. WEMS started as a joke passed to press that ran national article. Although never a formal service, women functioned in many C&GS jobs during war. By war's end, there was more truth to WEMS than cartoonist had visualized

Women operating automatic projection ruling machine

Woman operating photo-reproduction equipment

Woman draftsman preparing chart manuscript

Women working in map-folding room

Officer discussing work with woman operating photogrammetric stereoplotter.

Wrecked Japanese ship at Kiska

Another wrecked Japanese ship at Kiska

Scrambling through the scree

Bob Pryce taking a breather at the station

Bob Pryce getting near the top. On the way to Station Wide

Climbing through the snow on the ridge lines. On the way to Station Wide

Coming down the mountain.

One slip and you'll have some cold feet. On the way to Station Wide

Resting up and taking in the view. On the way to Station Wide

Packing into Yellowstone. Yellowstone National Park area 1950. One of the last horseback operations in the C&GS

Getting out before the snow gets deep. Yellowstone National Park area 1950. One of the last horseback operations in the C&GS

Getting out before the snow gets deep - Bob Pryce with a little snow. Yellowstone National Park area 1950. One of the last horseback operations in the C&GS

Getting out before the snow gets deep. Yellowstone National Park area 1950. One of the last horseback operations in the C&GS

Horseback packing out of remote areas of Yellowstone - 1950. The snow is beginning to fly. One of the last horseback operations in the C&GS

Crossing the Firehole River in Yellowstone National Park. One of the last horseback operations in the C&GS

Sometimes old Betsy needs a drink of water

Truck transportation in western United States - ca. 1940's

Don't drink and drive - Bob Pryce on tractor in central Alaska

Gas stations are few and far between. Bush plane operations in Alaska

Bush plane operations. Bob Pryce on the right with Dean and Shutty

Bush plane operations in Alaska

Camp being unloaded from helicopter

Helicopter bringing Bob Pryce to observation point

Helicopter Operations in Alaska

Tending tide gages by float plane

The "Juggernaut" on the mudflats of Kalgin Island. Operations off of SURVEYOR

The "Juggernaut" on the mudflats of Kalgin Island. Operations off of SURVEYOR

Helicopter support for SURVEYOR operations. Operations off of SURVEYOR

Helicopter support for SURVEYOR operations. Operations off of SURVEYOR

A little mud never hurt anyone. SURVEYOR personnel at Kalgin Island

It's tough to run a 100-yard dash on Kalgin Island. SURVEYOR personnel in the mud

Helicopter operations on the SURVEYOR - Bering Sea 1977

Jack Sammons' mobile home on the road at Lake Tahoe - 1940

Jack Sammons' mobile home - 1940

Bob Pryce observing with Wild T-4 Theodolite