Kress, Thomas H.

About the author

Online files for acid deposition sensitivity map

GIS data files Acid Deposition Sensitivity of the Southern Appalachian Assessment Area. Susceptibility to acid deposition from air pollution is categorized as low, medium, or high for each area.

Digital geologic map and mineral deposits of the Lake Superior region- Minnesota, Wisconsin, Michigan

Bedrock geologic units, faults, and MRDS mineral deposit records for the area

Lithochronologic units and mineral deposits of the Appalachian Orogen from Maine to Alabama

Geologic age, lithology, faults, and mineral deposit information (major deposits and those smaller deposits thought to be representative of the metallogenic character of the area).