BULL. GEOL. SOC. AM. 



VOL. 28, 1916, PL. 21 



FlGLKE 1. GkNKI'.AI. ViKW OF XORTII SlDK OF BULL LAKE CRKKK CAXVOX AND KoCK SliDK 



1, rock slide; 2, Bull Lake Creek shales; o, Shoshoni formation; 4, Bighorn limestone; 5, Madison 

 limestone; G, canyon in granite; 7, Deadwood sandstone; 8, granite. I'hotograph by Gillson 



I'^iGLitK 2. — Dktail of tiik Bi;i.L Lakk Cukkk Slidi; 

 'I'lie location of the pliotograph is hctwoon numei'als 1 and :>. in liuni'e 1. Photosraiili by Gillson 



BULL LAKE CREEK SLIDE, WYOMING 



