Geological map of the Clear Lake District

1885

Geological Survey (U.S.); Hoffmann, C. F. (Charles Frederick), 1838-1913.

1:95k

Geological Map of the Knoxville District/ Topographical Map of the Region of Clear Lake

1885

Hoffmann, C. F. (Charles Frederick), 1838-1913.; Hoffmann, J. D.

1:15k

Lakeport

1994

1:100k

Geological Map of the Knoxville District/ Topographical Map of the Region of Clear Lake

1885

Hoffmann, C. F. (Charles Frederick), 1838-1913.; Hoffmann, J. D.

1:15k

Kelseyville

1959

1:63k

Kelseyville

1959

1:63k

Lower Lake

1958

1:63k

Lower Lake

1958

1:63k

Lower Lake

1945

1:63k

Lower Lake

1945

1:63k

Kelseyville

1943

1:63k