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Title: Stratigraphic Studies

Description: Stratigraphic studies of Quaternary alluvium provides resource data to the U.S. aggregate industry.

Location: Phoenix, AZ, USA

Date Taken: Jan 1 2010

Photographer: Bill Langer , USGS

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:

File Details:
Type: JPEG image - 5.49 MB
Dimensions: 3072 x 2304
Resolution: 72 dpi

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Tags: 2010EmployeePhotoContest aggregate gravel