Summary Collection(s) Collection(s) NBCDC Books Origin Information Origin Information Date Created/Date Issued 1975-01-01 (approximate) Issuance monographic Subjects and Classifications Subject Topic Subject Topic Ecological assessment (Biology) Geographic Subject Geographic Subject British Columbia--Purden Lake. British Columbia--Crooked River. Library of Congress Classification Library of Congress Classification QH541.15 .E22 Resource Description Extent Extent 1 volume (various pagings) : maps ; 29 cm. Physical Form Physical Form print Content type Content type Digital Document Resource Type Resource Type Text Genre Genre loose-leaf Language Language English Identifiers Handle Handle Handle placeholder Access and Rights Rights Statement Rights Statement COPYRIGHT UNDETERMINED