TY - RPRT TI - Using satellite vegetation and compound topographic indices to map highly erodible cropland buffers for cellulosic biofuel crop developments in eastern Nebraska, USA AU - Yingxin Gu AU - Bruce K. Wylie PY - 2016 DO - 10.1016/j.ecolind.2015.06.019 UR - https://pubs.usgs.gov/publication/70156319 ID - 70156319 ER -