Land-based calibrations of harbor porpoise sightings from a vessel along the northern Washington coast

Citation:

Calambokidis, J., D.J. Rugh, and S.M. Melin. In press. Land-based calibrations of harbor porpoise sightings from a vessel along the northern Washington coast. In H. Kajimura (ed.) Harbor porpoise interactions with Makah salmon set net fishery in coastal Washington waters, 1988-89. NOAA Technical Report.