558 



N. H. DARTON FISH REMAINS IN ORDOVICIAN ROCKS 



k' - ' IN I I 



T777^ WP^m VZEBZ BHBB F7TF71 



Cretaceous Sedieds X.CafbonrCerous OrcLovician Granite etc. 



Figure 4. — Sketch Map showing Distribution of Ordovician Rocks in the Canyon City 



Region, Colorado. 



Partly from Pikes Peak folio, by W. Cross. 



