Citation:
Calambokidis, J., J.C. Cubbage, G.H. Steiger, K.C. Balcomb, and P. Bloedel. 1988. Humpback whale (Megaptera novaeangliae) distribution and abundance in the Gulf of the Farallones, 1987. Report to the National Park Service and Gulf of the Farallones National Marine Sanctuary, San Francisco, California. 65pp.