by David N Cole
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Low-impact recreational practices for wi...
Day users in wilderness
Experimental evaluations of two leave-no...
Recreational trampling experiments
Vegetation and soil restoration on highl...
Wilderness campsite monitoring methods
Waterfowl management handbook
The Vegetarian Myth
Aquatic plants technical assistance prog...
The war dead of the British Commonwealth...
Range plant community types and carrying...
Hoanib River catchment study, northweste...