Debra L. Hanneman
Whitehall Geogroup, Inc, Whitehall, MT
Activity
Date Unknown
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ASH FALL TUFF MARKER BEDS WITHIN CENOZOIC BASIN-FILL OF SOUTHWESTERN MONTANA
24 Stratigraphy (Posters)
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CALCIC PEDOCOMPLEXES DELINEATE SEQUENCE BOUNDARIES IN TERTIARY STRATA OF THE GREAT PLAINS AND WESTERN USA
58 Stratigraphy (Posters)