Originally published as: Survey of ponds in Crater Lake National Park and their response to the lowest record amount of snowfall in the history of the park; ([Crater Lake, Or. : United States Department of Interior, National Park Service, Crater Lake National Park, 1992.]); [50 p. (various pagings)]; 30 cm.
Date Original
[1992]
Date Digitized
2008-09-29
Date Available
2009-02-09
Original Publisher
United States Department of Interior, National Park Service, Crater Lake National Park