TY - RPRT TI - Flood-plain delineation for Bull Run, Little Rocky Run, Johnny Moore Creek, and Popes Head Creek basins, Fairfax County, Virginia AU - Pat L. Soule PY - 1977 DO - 10.3133/ofr77329 UR - https://pubs.usgs.gov/publication/ofr77329 ID - ofr77329 ER -