Index to drilling logs of government core drills, 1972-1978

by Norman A. Lyttle

Basic procedures for soil sampling and core drilling

by William L. Acker

Basic procedures for soil sampling and core drilling

by W. L. Acker

Core Drilling at the Victory Fluorspar Mine, Hardin County, ...

by United States. Bureau of Mines.

Drilling logs of government core drills 1986. Compiled by C...

Tract C-b core drilling and associated groundwater program

by Woodward-Clyde Consultants. $b Envicon Division

Core drilling for industrial minerals in Saskatchewan 1953-5...

Experimental Diamond Core-Drilling in the Phosphoria Formati...

by United States. Bureau of Mines.

Core Drills for Coaching and Developing the Pocket Passer Qu...

by Bill Renner

Core drilling for coal in the Moose Creek area, Alaska

by Gerald A. Waring

Effects of Core Recovery, Diamond Size, and Quality on Cost ...

by United States. Bureau of Mines.

Core drilling in Nova Scotia

by Nova Scotia. Department of Public Works and Mines

Core-Drill Sampling of Cuyuna-Range Manganiferous Iron Forma...

by United States. Bureau of Mines.

Preliminary results of core drilling of Triassic border faul...

by Nicholas M. Ratcliffe

Mechanical core drilling in firn and ice

by Maynard M. Miller

Results of USGS oil-shale core drilling in the eastern Uinta...

by Richard W. Scott

Results of geologic exploration by core drilling, 1953, land...

by James Bachelder Cathcart

Core-Drill Testing For Base-Metal Mineralization Below the H...

by United States. Bureau of Mines.

Results of USGS oil-shale core drilling in the eastern Uinta...

by Richard W. Scott

Core drilling and stratigraphic analysis of Lower Permian ro...

by James R. Chaplin