Description
Porphyry Gulch is located extends N from Albert Creek, 8 mi. N of Tahneta Pass.
History
Local name published by G.C. Martin and J.B. Mertie (in Brooks and others, 1914, pl. 11), U.S. Geological Survey (USGS).
Matanuska-Susitna County · Alaska
Porphyry Gulch is located extends N from Albert Creek, 8 mi. N of Tahneta Pass.
Local name published by G.C. Martin and J.B. Mertie (in Brooks and others, 1914, pl. 11), U.S. Geological Survey (USGS).