Lake Tahoe Basin Environmental Planning& Land Regulation 1969-1990

Images in support of class discussion

Robert Twissrevised, March 3, 2005

Jurisdictional fragmentation: no one minding the store prior to 1970

The watershed of the Upper Truckee River & the entire Tahoe Basin, looking north from over Carson PassEntire Basin = 500 sq. mi. Lake = 200 sq. mi.

Water clarity = the key indicator of ecosystem healthEutrophication = the main problem

Secci disk measurements: Charles Goldman, UC Davis

Chronology of the land rush

Tahoe Keys

So. Lake Tahoe Airport

Echo Summit, Hwy 50

Stateline Hotel/Casino core

CA

NV

Grading impacts at Rubicon Bay, West shore

Surface erosion, Heavenly Valley Ski Area