Yazar
elwood l shafer
8 cilt bulundu.
Elwood L. Shafer · Northeastern Forest Experiment Station
27 sayfa · 1969
Campers (Persons) / Camping / Case studies
Elwood L. Shafer · Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
22 sayfa · 1967
Recreational surveys
Elwood L. Shafer · Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station
26 sayfa · 1974
Landscape assessment / Panoramic Photography
Elwood L. Shafer · Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station
16 sayfa · 1974
Forecasting / Recreation / Technological forecasting
Elwood L. Shafer · U.S. Northeastern Forest Experiment Station
12 sayfa · 1970
Nature (Aesthetics) / Nature photography
Elwood L. Shafer · Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
10 sayfa · 1964
Outdoor recreation / Research
Elwood L. Shafer · U.S. Dept. of Agriculture, Forest Service
60 sayfa · 1982
Forestry innovations / Forests and forestry / Research
Elwood L. Shafer · Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station
16 sayfa · 1974
Outdoor recreation / Public lands / Recreational use