TY - RPRT TI - The Vigil Network: A means of observing landscape change in drainage basins AU - W. R. Osterkamp AU - W. W. Emmett AU - Luna Bergere Leopold PY - 2009 DO - 10.1080/02626669109492518 UR - https://pubs.usgs.gov/publication/70015102 ID - 70015102 ER -