Browsing Special Reports - Indiana Geol. Survey by Subject "Environmental Geology"

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  • Powell, Richard L. (Indiana Geological Survey, 1972)
    Almost 100,000 acres of land has been disturbed by strip mining in southwestern Indiana within the past 50 years. Pike, Warrick, and Clay Counties contain about two-thirds of the strip-mined land. Strip-mined land amounts ...
  • Hartke, Edwin J.; Hill, John R.; Reshkin, Mark (Indiana Geological Survey, 1975)
    Lake and Porter Counties are subdivided into three physiographically and geologically distinct regions: (1) the Calumet Lacustrine Plain, (2) the ValparaisoMorainal Area, and (3) the Kankakee Outwash and Lacustrine Plain. ...
  • Straw, W. Thomas; Gray, Henry H.; Powell, Richard L. (Indiana Geological Survey, 1977)
    Since early in human history, land has been considered to be to be the single most indispensable resource. Indeed, some students of economics believe that all wealth is derived ultimately from the land. Land is not, however, ...

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