Images

Routine maintenance on a ground-water monitoring well,
Perry Park, Brunswick, Glynn County, Georgia. At one time this well was used by the City of Brunswick for drinking water. Saltwater intrusion forced the city to abandon the well, so the USGS started monitoring it for water levels and specific conductance.

The earthwork in context of the small town of Parkfield, CA.

Photo taken from a kite-lofted camera, showing the shake table and control bunker.

View looking southeast along the surface trace of the San Andreas fault in the Carrizo Plain, north of Wallace Creek. Elkhorn Rd. meets the fault near the top of the photo.

The Bois de Sioux river channel near White Rock, SD.

Workers repairing a road.

Rocks from the Stillwater Mine are collected, ground, and blended with other rocks and materials to make the lunar regolith simulant.
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The molten rock streams through an opening in the melter into a large container of water below, where it instantly cools into glass.
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An FWS employee stocks walleye in a lined pond at Garrison Dam National Fish Hatchery, the Service's largest walleye production hatchery. Related to the R6PC — Replace 9 Clay Pond Liners — Garrison Dam NFH project.

This is a view of the plot of land at Audubon National Wildlife Refuge selected for the Headquarters and Visitor Center that will be built with Recovery Act funding. Related to the R6BB — Construct Headquarters Visitor Building — Audubon NWR project.

This rawhide pannier was made for Dr. J. D. Love in 1945. It consists of rawhide stretched over wooden frames. For transportation, this type of pannier was made to hang on animals with wooden pack saddles.
Object ID: USGS-000027

This oven was made for cooking on top of a stove. There is no heating source, but the bottom is open and the oven sits on a heated stove for warmth. There are racks inside and a small temperature gauge on the oven door. The oven was used by scientists at their campsites.
Object ID: USGS-000111

Manufactured by Keuffel & Esser, New York & New Jersey. In this type of alidade, as opposed to the high standard, the telescope mounted close to the straightedge, producing a more compact instrument. A right-angle prism is attached to the eyepiece and permits viewing by looking down.

A high standard alidade; this type of alidade permits direct viewing through the telescope. The level is mounted below the inverting telescope and the base (blade) is solid brass with circular voids. Manufactured by Keuffel & Esser, New York & New Jersey.
Object ID: USGS-000165

Plane tables are also known as drawing boards. The round leg tripod is made from hardwood, with a bronze head, steel tips and plum bob.
Object ID: USGS-000210

Used in field work by Thomas B. Nolan, who served as the seventh Director of the U.S. Geological Survey (1956-1965).
Object ID: USGS-000214

Director's Display in Denver Colorado. It displays surveying equipment used by USGS field scientists. Some of the instruments included are engineer's levels, transits, hand-held transits, altimeters and microscopes.
Object ID: USGS-DenverDisplay(1of2)

Pocket Model used to measure altitude. Accurate to 15,000 ft. Made in Aug. 1968 by Revue Thommen AG, Switzerland.
Object ID: USGS-000646

Manufactured by Q-O-S Corporation, New York for the U.S. Army Corp of Engineers. Although originally designed for military reconnaissance work, this type of instrument was used for map reading of aerial photographs up to 8".
Object ID: USGS-000235

A pocket instrument used in surveying which consists of a fixed sighting tube, a movable spirit level connected to a pointing arm and an arced scale graduated 0 to 90º in both directions. When correctly used, the Abney Level is an accurate surveying tool used to measure degrees, percent of grade and topographic elevation. Manufactured by E.R.

USGS Hydrologic Instrumentation Facilities employee Robin Dailey examines a recently received radar stage sensor purchased with ARRA funds.