FiG 1 — LATERAL VIEW OF WALL-LIKE SANDSTONE DIKE ON CROW CREEK. 20 FEET HIGH. 



5W| 



- ->* niMgi 



FlG 2 -SANDSTONE DIKE FILLING A JOINT 

 ON NORTH FORK. 4 INCHES THICK. 



FlG 3 — SANDSTONE DiKE WITH PARALLEL AN 

 TRANSVERSE JOINTS ON DRY CREEK. 

 18 INCHES THICK. 



