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Title: USGS Topographers at Work

Description: Two topographers working with an alidade and plane table. The man on the right is believed to be Roland Whitman Burchard, who was the topographer for the USGS Grand Canyon Expedition of 1923. Author Lewis Freeman described Burchard as a man of "powerful physique, great endurance, and a cool, steady hand."

Location: NM, USA

Date Taken: Jan 1 1926

Photographer: , U.S. Geological Survey

Usage: This image is public domain/of free use unless otherwise stated. Please refer to the USGS Copyright section for how to credit the photo.

Source:

Western Region Science Information and Library Services

File Details:
Type: JPEG image - 2.59 MB
Dimensions: 2075 x 2859
Resolution: 72 dpi

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Tags: alidade cartographic cartography historical map maps plane survey surveying table topographic topography