TY - RPRT TI - Geometry of obstacle marks at instream boulders-Integration of laboratory investigations and field observations AU - Oliver Schlomer AU - Paul E. Grams AU - Daniel D. Buscombe AU - Jurgen Herget PY - 2021 DO - 10.1002/esp.5055 UR - https://pubs.usgs.gov/publication/70217834 ID - 70217834 ER -