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USGS Topographer at Work
USGS Topographer at Work
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Title: USGS Topographer at Work

Description: A USGS topographer works with a plane table and alidade to create a 1:180,000 scale topographic map near Imlay, Nevada. The umbrella is to protect the instrument from temperature variations.

Location: Imlay, NV, USA

Date Taken: Jan 1 1931

Photographer Email:
Photographer Organization: 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.


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File Details:
Type: JPEG image - 1.18 MB
Dimensions: 2445 x 1349
Resolution: 72 dpi

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



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