Summary of information on aquatic biota and their habitats in the Willamette Basin, Oregon, through 1995 /

par Altman, Bob
Portland, Or. : U.S. Dept. of the Interior, U.S. Geological Survey, 1997

Summary of information on aquatic biota and their habitats in the Willamette Basin, Oregon, through 1995 /

par Altman, Bob
Portland, Or. : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Branch of Information Services [distributor], 1997

Summary of information on aquatic biota and their habitats in the Willamette Basin, Oregon, through 1995 /

par Altman, Bob
Portland, Or. : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 1997

Conservation of landbirds and associated habitats and ecosystems in the East Cascade Mountains of Oregon and Washington /

par Altman, Bob, Altman, Bob, Stephens, Jaime L.
[Portland, Or.] : USDA, U.S. Forest Service, 2022
Version 2.0.

Conservation of landbirds and associated habitats and ecosystems in the Northern Rocky Mountains of Oregon and Washington, version 2.0. /

par Altman, Bob, Bresson, Barb
[Corwallis, OR] : Oregon-Washington Partners in Flight, American Bird Conservancy, and U.S. Forest Service/Bureau of Land Management, 2017
Version 2.0.

Conservation of landbirds and associated habitats and ecosystems in the Northern Rocky Mountains of Oregon and Washington, version 2.0. /

par Altman, Bob, Bresson, Barb
[Corwallis, Or.] : Oregon-Washington Partners in Flight, American Bird Conservancy, and U.S. Forest Service/Bureau of Land Management, 2017
Version 2.0.

Conservation of landbirds and associated habitats and ecosystems in the East Cascade Mountains of Oregon and Washington /

par Altman, Bob, Stephens, Jaime L.
[Portland, Or.] : USDA, U.S. Forest Service, 2022
Version 2.0.