Browsing by Author "Purcell, Roger L."
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Item Map of Indiana showing thickness of unconsolidated deposits(Indiana Geological & Water Survey, 1983) Purcell, Roger L.Item Quaternary geologic map of Indiana(Indiana Geological & Water Survey, 1997) Purcell, Roger L.Item State Base Map 104, Map of West-Central and Southwestern Indiana(Indiana Geological & Water Survey, 1988-07) Purcell, Roger L.