Colin G. Treworgy

发表

Availability of the Danville, Jamestown, Dekoven, Davis, and Seelyville coals for mining in selected areas of Illinois

Christopher P. Korose, Colin G. Treworgy, Russell J. Jacobson, 2002 .

Availability of coal resources for mining in Illinois : Atwater, Collinsville, and Nokomis quadrangles, Christian, Macoupin, Madison, Montgomery, and St. Clair Counties

Colin G. Treworgy, Cheri A. Chenoweth, Michael A. Justice, 1996 .

Evaluation of the potential for damage from subsidence of underground mines in Illinois : final report to the Illinois Mine Subsidence Insurance Fund

Colin G. Treworgy, 1989 .

Availability of the Springfield Coal for mining in Illinois : map summary of Illinois minerals 118

Christopher P. Korose, Colin G. Treworgy, Cheri A. Chenoweth, 1999 .

Availability of the Springfield Coal for Mining in Illinois: Illinois State Geological Survey

Christopher P. Korose, Colin G. Treworgy, Cheri A. Chenoweth, 1999 .

Illinois coal resereve assessment and data base development : final report for part 1

Colin G. Treworgy, 1995 .

Availability of the Herrin Coal for mining in Illinois : map summary of Illinois minerals 120

Christopher P. Korose, Colin G. Treworgy, Christine L. Wiscombe, 2000 .

Illinois coal reserve assessment and database development. Final report

Colin G. Treworgy, Cheri A. Chenoweth, E. I. Prussen, 1997 .