USGS Multimedia Gallery
Title: Grand Canyon Investigations: 131 Years in the Field
Description: Staff at the USGS Central Region Library created two displays for an open-house in celebration of National Library Week, April, 2010. This display on USGS scientific investigtations of the Grand Canyon displays field records, historical photography,historical surveying equipment, and publications from the science areas of biology, geology, geography, and water.
Date Taken: Apr 12 2010
Photographer: Clay Martin , USGS Central Region Library
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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