Citation:
Calambokidis, J.A., R.E. Everitt, J.C. Cubbage, and S.D. Carter. 1979. Harbor seal census for the inland waters of Washington, 1977-1978. Murrelet 80: 110-112.
Link:
http://www.jstor.org/stable/3534278?seq=1#page_scan_tab_contents
Citation:
Calambokidis, J.A., R.E. Everitt, J.C. Cubbage, and S.D. Carter. 1979. Harbor seal census for the inland waters of Washington, 1977-1978. Murrelet 80: 110-112.
Link:
http://www.jstor.org/stable/3534278?seq=1#page_scan_tab_contents