Fred Olsen
Denver, N/A
Activity
Date Unknown
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TRACKWAYS FROM THE PENNSYLVANIAN-PERMIAN OF CENTRAL COLORADO
12 Current Topics on Regional Vertebrate Tracks in the Modern Western Interior of the U.S. (Posters)
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COMPILING A DATABASE FOR OLD AND NEW MESOZOIC TRACKSITE DISCOVERIES FROM THE LAKE POWELL AREA (UTAH AND ARIZONA)
12 Current Topics on Regional Vertebrate Tracks in the Modern Western Interior of the U.S. (Posters)