Seeley Lake / Cache La Poudre valley / Poudre valley / Taft Hill / Poudre River Valley / Poudre River / LaFarge Taft Hill / Creek Alluvium / South Platte River / La Poudre River / Piney Creek / South Platte River valley / Platte River / /
Organization
U. S. Government / National Stone Association / U. S. DEPARTMENT OF THE INTERIOR U. S. GEOLOGICAL SURVEY Preliminary Report / /