Author : United States. Congress. House. Committee on Expenditures in the Department of Commerce and Labor
Publisher :
Page : 20 pages
File Size : 16,83 MB
Release : 1913
Category : Pribilof Islands (Alaska)
ISBN :
Author : Henry O'Malley
Publisher :
Page : 16 pages
File Size : 43,22 MB
Release : 1930
Category : Northern fur seal
ISBN :
Author :
Publisher :
Page : 1082 pages
File Size : 36,59 MB
Release : 1912
Category : Fish culture
ISBN :
Author : Francis Riley
Publisher :
Page : 24 pages
File Size : 34,51 MB
Release : 1967
Category : Fur trade
ISBN :
Author : United States. Congress. House Committee on expenditures in the Department of Commerce and labor
Publisher :
Page : 1042 pages
File Size : 12,10 MB
Release : 1911
Category :
ISBN :
Author : United States Congress House Committe
Publisher :
Page : 26 pages
File Size : 50,12 MB
Release : 2016-08-26
Category : History
ISBN : 9781362179467
Author : Chandler Parsons Anderson
Publisher :
Page : 136 pages
File Size : 11,61 MB
Release : 1906
Category : Bering Sea controversy
ISBN :
Author : Karl W. Kenyon
Publisher :
Page : 88 pages
File Size : 25,31 MB
Release : 1954
Category : Northern fur seal
ISBN :
Introduction. Sources and methods ; Counts and measurements of seals ; Age determination -- Components of the herd. Bulls ; Bachelors ; Pups ; Cows ; Yearlings -- Present size of the herd. Life habits ; Estimate of the size of the herd from the trend of the commercial harvest ; Estimate of the size of the herd from the trend of the harem bull count -- Appendix A. Effect of sealing on fluctuations in herd size 1786-1951 -- Appendix B. Fecundity of males -- Appendix C. Size of the average harem -- Appendix D. Age criteria for bachelor fur seals -- Appendix E. Escapement of bachelors from the commercial kill -- Appendix F. Calculations for the size of the pup class in 1947 from tag recoveries -- Appendix G. Serial photography on the Pribilofs.
Author :
Publisher :
Page : 5 pages
File Size : 49,7 MB
Release : 1950
Category : Sealing
ISBN :
Author : George Clifford Carl
Publisher :
Page : 6 pages
File Size : 28,32 MB
Release : 1947
Category : Fur trade
ISBN :
