TY - RPRT TI - Soil properties and perceived disturbance of grasslands subjected to mechanized military training: Evaluation of an index AU - Donald P. Althoff AU - P.S. Althoff AU - N.D. Lambrecht AU - P. S. Gipson AU - J.S. Pontius AU - P.B. Woodford PY - 2007 DO - 10.1002/ldr.773 UR - https://pubs.usgs.gov/publication/70029974 ID - 70029974 ER -