We need your feedback! What improvements would you like to see in BHL? Take our survey! s.si.edu/BHLUserSurvey
Sort By:
  1. On the fossil foot-marks in the red sandstone of Pottsville, Pennsylvania / by Isaac Lea.
    By: Lea, Isaac, - American Philosophical Society.
    Publication info: Philadelphia :Printed for the author,1852.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Dinosaurs  Footprints, Fossil  Paleontology  Pennsylvania  Pottsville  
    View Book