TY - RPRT TI - Improved cryogenic coring device for sampling wetland soils AU - Donald R. Cahoon AU - J.C. Lynch AU - R.M. Knaus PY - 1996 DO - 10.2110/jsr.66.1025 UR - https://pubs.usgs.gov/publication/1002328 ID - 1002328 ER -