water diversion, LiDAR, exhumed forest, weather balloon, tree coring, satellite image, bicycle in SF
Henderson's Geography Bike Tours 2017
Gully Orthophotomap from UAS
Gully subject of UAS survey, coastal San Mateo County
Hydraulic Mining tailings. 810 field trip S2012. Photo: Jerry Davis.
Fieldtrip to the Jepson prairie vernal pools in the Sacramento River Delta
From hike on north side of Hetch Hetchy. Photo: Alex Roa, 2011.
Post-fire landslide potential. Photo: L. Blesius.
Hydraulic Mine sluicebox tunnel. Photo: by Jerry's camera
Knuthson Meadow on May 1 2011. Photo: by Owen Parker.