BOOKQUE

Availability of the Herrin Coal for Mining in Illinois
Colin G. Treworgy
· 2000
Reserves and Resources of Surface-minable Coal in Illinois
Colin G. Treworgy , Lawrence E. Bengal , Amy G. Dingwell
· 1978
Availability of Coal Resources for Mining in Illinois: Atwater, Collinsville, and Nokomis Quadrangles, Christian, Macoupin, Madison, Montgomery, and St. Clair Counties
Colin G. Treworgy
· 1996
Availability of Coal Resources for Mining in Illinois: Galatia Quadrangle, Saline County, Southern Illinois
Colin G. Treworgy
· 1995
Strippable Coal Resources of Illinois: Part 8, Central and Southeastern Counties
Roger B. Nance , Colin G. Treworgy
· 1981
Availability of Coal Resources for Mining in Illinois: Shawneetown Quadrangle, Gallatin County, Illinois and Union County, Kentucky
Colin G. Treworgy
· 1999
The Proximity of Underground Mines to Residential and Other Built-up Areas in Illinois
Colin G. Treworgy , Carol A. Hindman
· 1991
Deep-minable Coal Resources of Illinois
Colin G. Treworgy
· 1982
Availability of Coal Resources for Mining in Illinois: Newton and Princeville Quadrangles, Jasper, Peoria, and Stark Counties
Colin G. Treworgy
· 1996
Numerical Estimates of Potential for Groundwater Contamination from Land Burial of Municipal Wastes in Illinois: Final Report
Bruce R. Hensel , Colin G. Treworgy , Edward Mehnert , Paul C. Heigold , Robert J. Krumm
· 1990