TY - RPRT TI - Geomorphic map of Worcester County, Maryland, interpreted from a LIDAR-based, digital elevation model AU - Wayne L. Newell AU - Inga E. Clark PY - 2008 DO - 10.3133/ofr20081005 UR - https://pubs.usgs.gov/publication/ofr20081005 ID - ofr20081005 ER -