TY - RPRT TI - Establishing chronologies for alluvial-fan sequences with analysis of high-resolution topographic data: San Luis Valley, Colorado, USA AU - Samuel Johnstone AU - Adam M. Hudson AU - Sylvia Nicovich AU - Chester A. Ruleman AU - Robert M. Sare AU - Ren A. Thompson PY - 2018 DO - 10.1130/ges01680.1 UR - https://pubs.usgs.gov/publication/70200605 ID - 70200605 ER -