USGS Multimedia Gallery
Title: USGS Topographers at Work
Description: Two USGS topographers circa 1925, working with an alidade and plane table. The man on the left is believed to be Roland Whitman Burchard, who was the topographer for the USGS Grand Canyon Expedition of 1923.
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.
Western Region Science Information and Library Services
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