Natural areas - needs and opportunities; proceedings of a symposium held at Northwest Scientific Association forty-third annual meeting, Salem, Oregon, March 27-28, 1970

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245 0 0 ‡aNatural areas - needs and opportunities; ‡bproceedings of a symposium held at Northwest Scientific Association forty-third annual meeting, Salem, Oregon, March 27-28, 1970. ‡cEdited by William J. Dittrich and James M. Trappe.
260 ⊔ ⊔ ‡aCorvallis, Or. ‡b[Continuing Education Publications, ‡cc1970]
300 ⊔ ⊔ ‡avii, 54 p. ‡c28 cm.
504 ⊔ ⊔ ‡aIncludes bibliographies.
538 ⊔ ⊔ ‡aMode of access: Internet.
650 ⊔ 0 ‡aWilderness areas.
650 ⊔ 0 ‡aConservation of natural resources.
650 ⊔ 0 ‡aNatural areas.
700 1 ⊔ ‡aTrappe, J. M., ‡d1931-
700 1 ⊔ ‡aDittrich, William J.
710 2 ⊔ ‡aNorthwest Scientific Association.
CID ⊔ ⊔ ‡a007471963
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