Includes: Sonora Folio, California. 9 pp. of text. With 5 color map sheets, including 1 laid in from another issue (Yosemite Quadrangle, May 1903 edition, reprinted Oct. 1906). 1897. * Big Trees Folio, California. 2 copies. Each with 10 pp. of text. One issue with 4 color map sheets, including 1 laid in from another issue (Jackson Quadrangle, January 1902 edition, reprinted April 1906), the other with 3 color map sheets; both with a page of black and white photos. 1898. * Mother Lode District Folio, California. 13 pp. of text. With 8 sheets of color maps. 1900. (Rear cover backed with linen). Together, 4 vols. (Folio) 21¾x18½, original printed wrappers, black cloth spines. "Library Edition."

Folio Nos. 41, 51 (2 copies), and 63 in the U.S.G.S. series.