Description: Geologic map and sections of the Willow Creek 15ʹ quadrangle, Humboldt and Trinity Counties, California /

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Bibliographic Details
Main Author:	Young, J. C.
Corporate Authors:	California. Division of Mines and Geology., Williams and Heintz Map Corporation., Geological Survey (U.S.)
Format:	Map
Language:	English
Published:	[San Francisco] : California Division of Mines and Geology, 1978
Series:	Map sheet (California. Division of Mines and Geology) ; 31.
Subjects:	Geology > California > Humboldt County > Maps. Geology > California > Trinity County > Maps. Geology > California > Maps. Geology. Humboldt County (Calif.) > Maps. Trinity County (Calif.) > Maps. California > Maps. California. California > Humboldt County. California > Trinity County. Maps.
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Description
Item Description:	Relief shown by contours and spot heights. "Contour interval 100 feet." Fault lines indicated. "Geology mapped by J.C. Young." "Topographic base by U.S.G.S." Location map on envelope. Accompanied by booklet: Geology of the Willow Creek 15ʹ quadrangle, Humboldt and Trinity Counties, California / by John C. Young. [San Francisco, Calif.] : California Division of Mines and Geology, 1978. Map sheet (California. Division of Mines and Geology) 31. Includes 3 geologic cross sections, diagram, and location maps.
Physical Description:	1 map : color ; 45 x 34 cm, on sheet 66 x 55 cm, folded in envelope 30 x 23 cm + 1 booklet (16 pages : illustrations, map ; 28 cm).
Bibliography:	Bibliographical references in accompanying text (pages 15-16).