Wiredrag boat underway.

Signal building and white-wash party. Not much freeboard on that boat

Small skiff inspecting sea caves. Skiff from the PIONEER

Shallow water soundings being located by stadia. A non-electronic means of range-azimuth navigation. Boat operating with Lake Survey

EXPLORER Wire Drag Tender No. 1.

Hydro survey in the St. Johns River. Combined operations party of Hubert A. Paton

Survey launch leaving the PIONEER for a day's work. Looks like nasty working conditions today

Sounding boat off the LYDONIA. Surveying potential bases in the Caribbean

EXPLORER launch equipped with Shoran antenna.

Mural on wall of Coast Survey offices in Manila.

Coast Survey offices in Manila at Engineer Island. Offices from 1936 to the beginning of World War II

List of Directors of the Philippine Bureau of Coast and Geodetic Survey.

Triangulation diagram showing near completion of triangulation of Philippines. Diagram produced in 1941

H. W. Rhodes.

George L. Anderson.

Roland D. Horne.

Philip C. Doran.

Fred Peacock on the MARINDUQUE.

Ken Crosby on the MARINDUQUE.

Otis Swainson on the PATHFINDER.

L to R, ?, George L. Anderson, Chief Conover, Cornelius D. Meaney.

Paul C. Whitney on the right. On the MARINDUQUE

Golf at the Intramuros. George L. Anderson is the duffer

Golf at the "Zambo" Country Club. L to R - caddy, George L. Anderson, caddy, H. C. Warwick. Off the MARINDUQUE

The "Club" at Sandakan. Unidentified PATHFINDER personnel and locals. After a run down to Sandakan for coal

The "Club" at Cebu.

William M. Scaife trying his hand at surfing. A stop at Honolulu on the way out to the Philippines

Wives, children, and pets accompanied the ship's in the early days. On the stern of the MARINDUQUE

Swim call on the MARINDUQUE.

Philip C. Doran taking it easy after a long field season.

Life was good - Amah's to care for the babies. Patricina with baby

The one-eyed chief of Santa Maria.

A C&GS outing. Raymond S. Patton sitting 4th from right

Sort of like a rodeo - sort of like Pamplona. Bull riding and bull dodging all in one sport.

The "Belle of Samar" puffing on a cheroot.

Native tribe in the southern Philippines. Hundreds of tribes and over a 100 dialects were found in the Philippines

Attending a native wedding outside of Zamboanga. Wives and officers off the PATHFINDER

A good place for crocodiles and snakes. Boat off the MARINDUQUE in a jungle stream

Mechanical sounding apparatus on the MARINDUQUE.

Mechanical sounding apparatus on the MARINDUQUE.

Operating the mechanical sounding engine on the MARINDUQUE.

The mechanical sounding engine on the MARINDUQUE.

The tide gauge house at Fuga Island.

The tide gauge house at Fuga Island.

Measuring a base line through the tall sawgrass. Look out for snakes!

Ken Crosby observing with his shore party standing by. Party off the MARINDUQUE

Yakan Moro cargadore curious about theodolite. He was surprised to find an inverted image

Yakan Moro cargadore curious about theodolite. He was surprised to find an inverted image

Cornelius Meaney observing on Basilan Island.

Triangulation party off the MARINDUQUE packing into the mountains.