'Upper snake river' diaporamas de présentation

Salmon

711 views • 22 slides

U.S. Department of the Interior U.S. Geological Survey

Applying numerical modeling to evaluate the significance of climate and hydrology in the formation of natural acid-rock drainage in mineralized watersheds. Andrew H. Manning, Michael J. Friedel, Philip L. Verplanck, and Andrew S. Todd U.S. Geological Survey, Denver, Colorado.

274 views • 16 slides

Snake River Trout Population Dynamics

Snake River Trout Population Dynamics. Jon Ewert, Colorado Division of Parks and Wildlife. Andrew Todd, US Geological Survey. All photos by Bob Berwyn. ?. Arapahoe Basin Ski Area. Chihuahua Gulch. North Fork Snake River. To Silverthorne. Snake River. Peru Creek. ?. Keystone Ski Area.

222 views • 13 slides