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- Maps✖[remove]4
- English✖[remove]4
- Geological Survey (U.S.)✖[remove]4
- Forests and forestry--Washington (State)--Chelan County--Maps2
- Forests and forestry--Washington (State)--Kittitas County--Maps2
- Forests and forestry--Washington (State)--Douglas County--Maps1
- Forests and forestry--Washington (State)--Okanogan County--Maps1
- Forests and forestry--Washington (State)--Spokane County--Maps1
- Forests and forestry--Washington (State)--Yakima County--Maps1
- Kittitas County (Wash.)--Maps1
- Land capability for agricultur1
- Land capability for agriculture--Washington (State)--Kittitas C1
- Land capability for agriculture--Washington (State)--Kittitas County--Maps1
- Geological Survey (U.S.). Annual report4
- Plummer, Fred G. (Fred Gordon), 1864-1913✖[remove]4
- Farmer, R. A1
- Griswold, W. T1
- Manning, Van H1
- Murlin, A. E1
Current results range from 1900 to 1901