Backcountry travel in Grand Canyon to collect groundwater samples

USGS scientist hikes to National Canyon Spring to collect groundwater samples from a remote location.

Detailed Description

USGS scientist Joel Unema hikes to National Canyon Spring to collect groundwater samples from a remote location near the south rim of the Grand Canyon. Joel Unema was part of a group of USGS and National Park Service scientists that rafted 150 miles in nine days to better understand natural resources.

Details

Image Dimensions: 1752 x 2336

Date Taken:

Location Taken: US