| Item Description: | Some sheets entitled: Structural map 1:500,000. Sheets published prior to approximately the mid-1970s do not have a series title, only a sheet title. Some sheets: Edited by 1/500,000 Geological Map Editorial committee in .... Includes various issues of some sheets. Relief shown by spot heights. Japanese and English. |
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| Physical Description: | maps : col. ; 45 x 57 cm. or smaller. |