1. Evaluation of the effects of military training on vegetation in southeastern Colorado;Shaw;Headwaters Hydrology,1989
2. Soil loss caused by off-road vehicle use on steep slopes;Johnson;Transactions of the ASAE,1983
3. Soil loss caused by off-road vehicle use on steep slopes;Johnson;Transactions of the ASAE,1983
4. Environmental effects of off-road vehicles;Webb,1983
5. Persisting effects of armored military maneuvers on some soil of the Mojave desert;Prose;Environ. Geol. Water Sci.,1985