TY - RPRT TI - TracerLPM (Version 1): An Excel® workbook for interpreting groundwater age distributions from environmental tracer data AU - Bryant C. Jurgens AU - J.K. Böhlke AU - Sandra M. Eberts PY - 2012 DO - 10.3133/tm4f3 UR - https://pubs.usgs.gov/publication/tm4F3 ID - tm4F3 ER -