TY - RPRT TI - Accuracy evaluation of an ASTER-Derived Global Digital Elevation Model (GDEM) Version 1 and Version 2 for two sites in western Africa AU - Peter G. Chirico AU - Katherine C. Malpeli AU - Sarah M. Trimble PY - 2013 DO - 10.2747/1548-1603.49.6.775 UR - https://pubs.usgs.gov/publication/70047204 ID - 70047204 ER -