U.S. Geological Survey Mineral Resourc… |
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U.S. Geological Survey Mineral Resources Program (unverified)
Contact information:
Peter N. Schweitzer
U.S. Geological Survey Mineral Resources Program
Mail Stop 954 USGS National Center, 20192 Reston, USA
Email:
Phone: 703-648-6533
Illinois_Faults (faults-low)
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.
Illinois_Age (age-low)
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.
Illinois_Lithology (lith-low)
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.
Illinois_Contacts (contacts-high)
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.
Illinois_Age (age-high)
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.
Illinois_Faults (faults-high)
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.
Illinois_Lithology (lith-high)
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.
Illinois_Contacts (contacts-low)
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.