Research Natural Area Needs in the Pacific Northwest : A Contribution To Land-Use Planning /
Dyrness, C.T.
Research Natural Area Needs in the Pacific Northwest : A Contribution To Land-Use Planning / C. T. Dyrness [i in. ]. - Portland, Oregon, 1975. - s. VIII, 231 : il. , tab. ; 27 cm. - PNW 38 . - General Technical Report. Pacific Northwest Forest and Range Experiment Station PNW 38 . = USDA For. Serv. Gener. Tech. Rep.
Research Natural Area Needs in the Pacific Northwest : A Contribution To Land-Use Planning / C. T. Dyrness [i in. ]. - Portland, Oregon, 1975. - s. VIII, 231 : il. , tab. ; 27 cm. - PNW 38 . - General Technical Report. Pacific Northwest Forest and Range Experiment Station PNW 38 . = USDA For. Serv. Gener. Tech. Rep.