The camp at Alva. Triangulation party of Carl I. Aslakson

Still a lot of tents but more and more trailers. The camp at Benjamin Triangulation party of Carl I. Aslakson

An all trailer camp - date and time unidentified. The days of the tent camps in the Lower 48 were over.

Comparison between tent camps and trailer camps. An overnight innovation - trailers became the only way to go in 1935. Triangulation party of Carl I. Aslakson

Shorty and Novak at rest waiting for night observations. Camp on Gulf of Mexico

Camp on the Porcupine River

Camp on the Porcupine River

Astro camp at Pop Lake, Alaska

Camp at Wide Bay, Alaska

Taking a shower - Alaska style

Bear bait - sometimes this was the best that could be done for a camp

Birdseye view of an orderly campsite

Bob Pryce - the well-dressed field man

Camping in the mountains

Camping in the bush

Waiting for dinner at the end of a long day

Camp in the thickets

Camp at Bettles, Alaska. Just above the Arctic Circle

Camp at Bettles, Alaska. Just above the Arctic Circle

Camp haircut at Pop Lake

Beach erosion studies. As property values increased, beach erosion studies became important. Raymond Stanton Patton, Director of C&GS 1929-1938, was a pioneer in this field

Beach erosion studies. As property values increased, beach erosion studies became important. Raymond Stanton Patton, Director of C&GS 1929-1938, was a pioneer in this field

Tsunami inundating Hilo, Hawaii. Note man on pier. This disaster provided impetus for C&GS to establish tsunami warning system

Tsunami warning station established at Dutch Harbor, Alaska. Many warning stations established at permanent tide station installations

Time lines for tsunami paths from various epicenters to Hawaii.

Earthquake uplift at McLeod Harbor, Montague Island. C&GS surveys followed Good Friday Alaska earthquake of 1964. 31 feet of uplift necessitated resurveys of many areas. Investigations off of HODGSON

Current buoys with lights, radar reflectors, and F.M. transceivers. C&GS surveys followed Good Friday Alaska earthquake of 1964. Current surveys conducted with hydrographic surveys. Investigations off of HODGSON

Landslide scar at Hanning Bay. C&GS surveys followed Good Friday Alaska earthquake of 1964. Earthquake triggered landslide in Hanning Bay. Investigations off of HODGSON

Gravity observations with Worden Gravimeter. This instrument used for land ties for marine gravity surveys. Off of LESTER JONES

Deployment of experimental deepsea tide gauge. Off the EXPLORER in the Gulf Stream

Deployment of experimental deepsea tide gauge. Off the EXPLORER in the Gulf Stream

IXTOC 1 oil well blowout in Bay of Campeche. Oil spill studied by RESEARCHER

IXTOC 1 oil well blowout from helicopter platform on RESEARCHER

Snarled anchor cable and current meter cables. Sometimes things go seriously wrong. Current studies in SE Alaska

Current pole on the PATTERSON.

Price Current Meter used on the SURVEYOR.

Ekman Current Meter used on the SURVEYOR.

Albert J. "Hoskie" Hoskinson helping deploy bi-filar current meter. Current party of Ralph W. Woodworth, lower left. Current studies in Boston Harbor. Newspaper clipping from Boston Post, June 20, 1926

Scaling the tapes from recording current meters. Working on the OCEANOGRAPHER.

Test designs for buoys for Roberts Radio Current Meters. Buoy designs by Elliott B. Roberts. Tests conducted on LESTER JONES

Simulated 10.8 knot current as buoy streamed from bow of test vessel. Buoy design for Roberts Radio Current Meter. Tests conducted on LESTER JONES

Simulated 6.4 knot current as buoy streamed from bow of test vessel. Buoy design for Roberts Radio Current Meter. Tests conducted on LESTER JONES

Components of Roberts Radio Current Meter. This meter was invented by Elliott B. Roberts. It was the first current system to telemeter current information. Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology. Tests conducted on LESTER JONES

Roberts Radio Current Meter ready to be deployed. This meter was invented by Elliott B. Roberts. It was the first current system to telemeter current information. Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology. Tests conducted on LESTER JONES

Streamlined buoy and Roberts Radio Current Meter ready for deployment. This meter was invented by Elliott B. Roberts. It was the first current system to telemeter current information. Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology. Tests conducted on LESTER JONES

Preparing a streamlined buoy for planting with Roberts Radio Current Meter. Inventor Elliott B. Roberts kneeling next to buoy. It was the first current system to telemeter current information. Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology. Tests conducted on LESTER JONES

Different configurations of Roberts Radio Current Meter. This meter was invented by Elliott B. Roberts. It was the first current system to telemeter current information. Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology. Tests conducted on LESTER JONES

Streamlined buoy with Roberts Radio Current Meter. This meter was invented by Elliott B. Roberts. It was the first current system to telemeter current information. Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology. Tests conducted on LESTER JONES

Oops!!! Buoy pulled under by strong currents under Golden Gate Bridge. In spite of the best laid plans, sometimes things go awry. Photo #1 of sequence

There!!! That's better. This time the buoy is staying above water. Buoy in Golden Gate - Alcatraz Island in background. Photo #2 of sequence