DRAINAGE OF SAN JUAN REGION 



•2.-).°, 



region, although in a few favored localities in the very high mountains 

 great neve fields existed, as in the area known as American flat, at the 



Mexico 



Sc<c/e : 40 w//es «■ / tnch 

 'IGURE 1. — Drainage Map of the San Juan Region. 



head of Henson creek, and on the Continental divide between the sources 

 of the Rio Grande and tributaries of the Animas and other streams be- 

 longing to the drainage of the San Juan river. At many points inter- 



