1,596 Free Photos of Sample

U.S. Geological Survey, Sample Site, South Fork Edisto River, at U.S. Highway 321, Orangeburg and Bamberg Counties, South Carolina 1
U.S. Geological Survey, Sample Site, South Fork Edisto River, at U.S. Highway 321, Orangeburg and Bamberg Counties, South Carolina 3
Biological technician Peter Nelson takes a wood core sample from a spruce tree, which will be mounted and sanded and analyzed for annual patterns of growth over its lifetime.
U.S. Geological Survey, Sample Site, Turkey Creek, at Highway 41, Francis Marion National Forest, Berkeley County, South Carolina, Jeff Riley 1
U.S. Geological Survey, Sample Site, Turkey Creek (downstream), at Highway 41, Francis Marion National Forest, Berkeley County, South Carolina, Jeff Riley 2
U.S. Geological Survey, Sample Site, Turkey Creek (downstream), at Highway 41, Francis Marion National Forest, Berkeley County, South Carolina, Jeff Riley 1
1301 - 1400 of 1,596 Next page
/ 16