Betsy R Armstrong

1) Avalanche atlas, Ouray County, Colorado

Author
Armstrong, Betsy R
Series
Occasional paper volume 25
Publisher
University of Colorado, Institute of Arctic and Alpine Research
Pub. Date
1977
Formats
Book, eBook

2) Avalanche hazard in Ouray County, Colorado, 1877-1976

Author
Armstrong, Betsy R
Series
Occasional paper volume 24
Publisher
Institute of Arctic and Alpine Research, University of Colorado
Pub. Date
1977
Formats
Book, eBook

4) Avalanche atlas, San Juan County: prepared for San Juan County Commissioners and in cooperation with the San Juan County Land Use Planner

Author
Miller, Leonard
Series
Occasional paper volume 17
Publisher
University of Colorado, Institute of Arctic and Alpine Research
Pub. Date
1976
Formats
Book, eBook