- GPR-WS3_2
"Ground Penetrating Radar Survey in western WS3 (Joel Detty, Plymouth State University and Jim Doolittle, USDA-NRCS, left and right, respectively)." - GPR-WS3_2
"Ground Penetrating Radar Survey in western WS3 (Joel Detty, Plymouth State University and Jim Doolittle, USDA-NRCS, left and right, respectively)." - GPR-WS3
"Ground Penetrating Radar Survey in western WS3 (Don Keirstead and Jim Doolittle, USDA-NRCS, left and right, respectively)."