Welcome to the Kids' Library!

A general overview of the technology of in-stream mining of sand and gravel resources, associated po

Langer, William H.
[Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] 2003

The human factor in mining reclamation

Arbogast, B. F. (Belinda F.)
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Free on application to U.S. Geological Survey, Information Services, [2000] 2000

An introduction to using surface geophysics to characterize sand and gravel deposits

Lucius, Jeffrey E.
Reston, Va. : U.S. Geological Survey, 2007. 2007

An introduction to using surface geophysics to characterize sand and gravel deposits

Lucius, Jeffrey E.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006. 2006

Managing and protecting aggregate resources

Langer, William H.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002. 2002

Natural aggregate : building America's future

Langer, William H.
Washington : U.S. G.P.O. ; Denver, CO : Distributed by USGS Map Distribution, 1993. 1993

Potential environmental impacts of quarrying stone in karst a literature review

Langer, William H.
[Denver, Colo.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2001. 2001

Preliminary report on aggregate use and permitting along the Colorado Front Range

Wilburn, D. R. (David R.)
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, [2000] 2000

Preliminary report on deposit models for sand and gravel in the Cache la Poudre River valley

Langer, William H.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, [1999] 1999

Slide show on gravel deposit models and measuring aggregate quality, Front Range urban corridor, Col

Lindsey, David A.
[Denver, CO] : U.S. Dept. of the Interior, U.S. Geological Survey, [1998] 1998

Specification aggregate quarry expansion a case study demonstrating sustainable management of natura

Langer, William H.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003. 2003

Stratigraphy, lithology, and sedimentary features of Quaternary alluvial deposits of the South Platt

Lindsey, David A.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005. 2005