80 likes | 172 Views
Arapahoe Basin Ski Resort. Keystone Ski Resort. Key: Instream pH. <4.3. 4.4-5.7. >6. 6. Chihuahua Gulch. 3. Keystone. Snake River. Peru Creek. Pennsylvania Mine. 4. 5. Cinnamon Gulch. 2. ACID MINE DRAINAGE. Montezuma. Sts. John Creek. Sts. John. 1. NATURAL IRON BOG.
E N D
Arapahoe Basin Ski Resort Keystone Ski Resort Key: Instream pH <4.3 4.4-5.7 >6 6 Chihuahua Gulch 3 Keystone Snake River Peru Creek • Pennsylvania • Mine 4 5 Cinnamon Gulch 2 ACID MINE DRAINAGE • Montezuma Sts. John Creek • Sts. • John 1 NATURAL IRON BOG Deer Creek Upper Snake River From: Fey, D. L., S. E. Church, et al. (2001)