A collection of research materials, primarily newspaper, magazine and book abstracts, and indexes, chiefly pertaining to the mining town of Columbia, California, 1850-1879, but including additional materials for Tuolumne County and Calaveras County. The project to compile these materials was directed by Hero Eugene Rensch and performed under the auspices of the U.S. Works Progress Administration and the California State Emergency Relief Administration, California California Division of Parks.

Number of containers: 13 cartons (7 cartons contain 37 card file boxes), 1 oversize folder Linear feet: 16.25

Copyright has not been assigned to The Bancroft Library. All requests for permission to publish or quote from manuscripts must be submitted in writing to the Head of Public Services. Permission for publication is given on behalf of The Bancroft Library as the owner of the physical items and is not intended to include or imply permission of the copyright holder, which must also be obtained by the reader.

Collection is open for research.