SAWATA, H. - Geological maps and explanatory text of the Hokusho Coal Field.

1958. Geo. Surv. Japan, Geol. Maps Coal Fields II; 130 pp. text in Japanese plus 2 pp. English summary, 51 fig. 10 fold-out plts. with maps and col. sectuions2 photoplts. h.t. 3 fold. & col. geol. maps plus 1 fold. & col. plt. with geol. sections. Orig. wrps. ends of spine worn, contents and maps very good.