Geologic structure map of the Llao Rock dacite: Crater Lake National Park, Oregon

Ryden, Bonnie Lee Stepp

1 map; ill. (some color); Base map: USGS aerial photographs taken 1959 (VA Roll 1Prints 76 & 77); Relief shown by contours and spot heights; Datum is mean sea level. Contour interval 100 feet; Geology mapped 1965; Includes bibliographic references; Map accompanies: Structural analysis of the Llao Rock dacite, Crater, Oregon.

Title

Geologic structure map of the Llao Rock dacite: Crater Lake National Park, Oregon

Creator

Ryden, Bonnie Lee Stepp

Variant Title

Topography from aerial photographs and USGS topograpghic map of Crater Lake National Park and vicinity: 25 minute series

Source

Originally published as: Geologic structure map of the Llao Rock dacite; ([Washington DC : U.S. Geological Survey, 1965.]); 1 sheet (55 x 40 cm.); +1 thesis ([9], 60 leaves; ill. (some color), maps, 29 cm.)

Date Original

[1965]

Date Digitized

2008-07-15

Date Available

2009-04-27

Original Publisher

U.S. Geological Survey

Other Identifiers

local: CLNP-02-Jul-2008-113

Subject (Topic)

Geological mapping -- Oregon -- Crater Lake National Park
Geology, Structural