TY  - RPRT
TI  - Subsolum weathering profile characteristics as indicators of the relative rank of stratigraphic breaks in till sequences
AU  - E. Arthur Bettis
PY  - 1998
DO  - 10.1016/s1040-6182(98)90227-0
UR  - https://pubs.usgs.gov/publication/70020220
ID  - 70020220
ER  -