Description of Footmarks and other Imprints on a slab of New Red Sandstone, from Turner's Falls, Massachusetts, U.S., collected by Dr. James Deane of Greenfield, U.S

G. A. Mantell
1846 Quarterly Journal of the Geological Society  
doi:10.1144/gsl.jgs.1846.002.01-02.16 fatcat:josfarjowvgunj6udohz4pgnxe