Brooklyn Mine, CO, Acquiring Seismic Data

Detailed Description
Left to right: Lew Hunter (USACE), John Jackson (USACE), Zach Jelenek (USACE), Peyton Weigel (Fort Lewis College/USGS volunteer), and Kyle Lindsay (USACE) acquiring P-wave seismic data with a sledgehammer source across the Brooklyn Mine waste rock pile. View is to the south.
Sources/Usage
Public Domain.