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FOOTPRINTS, FOSSIL

Tracks in the Cocomomp sandstone compared with those of small living arthropods

Author: 
L.F. Brady
Article Date: 
October 1939
Language: 
English
Subject Headings: 

Tracks that go uphill

Author: 
E.D. McKee
Article Date: 
April 1914
Language: 
English
Subject Headings: