TY  - RPRT
TI  - Soils as relative-age dating tools
AU  - Helaine W. Markewich
AU  - Milan J. Pavich
AU  - Douglas A. Wysocki
PY  - 2017
DO  - 10.1002/9781118786352.wbieg0437
UR  - https://pubs.usgs.gov/publication/70188499
ID  - 70188499
ER  -