TY - RPRT TI - Preliminary investigation of structural controls of ground-water movement in Pipe Spring National Monument, Arizona AU - Margot Truini AU - John B. Fleming AU - Herb A. Pierce PY - 2004 DO - 10.3133/sir20045082 UR - https://pubs.usgs.gov/publication/sir20045082 ID - sir20045082 ER -