Daniel H. Knepper

Distribution and quality of potential sources of aggregate, infrastructure resources project area, Colorado and Wyoming

William H. Langer, Gregory N. Green, Daniel H. Knepper, 1997 .

SPVIEW; spectral plot program for accessing the USGS Digital Spectral Library database with MS-DOS personal computers, version 1.00

Daniel H. Knepper, K. Eric Livo, Roger N. Clark, 1993 .

The human factor in mining reclamation

William H. Langer, Daniel H. Knepper, W. Langer, 1998 .