Lydia and Ridgetop

Former Mendenhall Fellow now USGS Research Geologist, Lydia Staisch, in the field measuring the Ringold formation stratigraphy, which is a syn-deformational unit that records uplift along the Saddle Mountains anticline (and fault). Lydia is standing beneath a caliche ledge in the upper part of the section. Photo credit: Harvey Kelsey, Humboldt State University.