Preliminary geologic map of the San Francisco South 7.5' quadrangle and part of the Hunters Point 7.5' quadrangle, San Francisco Bay area, California: A digital database

This Open-File report is a digital geologic map database of the San Francisco South 7.5' quadrangle. This pamphlet serves to introduce and describe the digital data. No paper map is included in the Open-File report, however this report includes a PostScript and a Portable Documet Format plot file containing an image of a geologic map sheet and an explanation.

本开放文件报告为旧金山南部7.5'标准图幅的数字地质图数据库。本手册用于介绍并说明该数字数据集。本开放文件报告未附带纸质地图，但包含一份PostScript格式绘图文件与一份便携式文档格式（Portable Document Format）绘图文件，二者均载有地质图幅图像及配套说明文本。