Scientists Dig a Soil Pit

Scientists digging a soil pit

Detailed Description

Digging a soil pit to sample soil organic matter and how it changes over time, Emily Kykker-Snowman (former USGS) and Marjorie Schulz (USGS) at the Mattole soil chronosequence near Petrolia, California.


Image Dimensions: 667 x 1000

Date Taken:

Location Taken: Petrolia, CA, US