TY - RPRT TI - Seismic Station Installation Orientation Errors at ANSS and IRIS/USGS Stations AU - Adam T. Ringler AU - Charles R. Hutt AU - K. Persfield AU - Lind S. Gee PY - 2013 DO - 10.1785/0220130072 UR - https://pubs.usgs.gov/publication/70125640 ID - 70125640 ER -