TY - RPRT TI - Digital signal processing and interpretation of full waveform sonic log for well BP-3-USGS, Great Sand Dunes National Park and Preserve, Alamosa County, Colorado AU - Lauri Burke PY - 2011 DO - 10.3133/sir20105258 UR - https://pubs.usgs.gov/publication/sir20105258 ID - sir20105258 ER -