USGS publications are generally available in print on paper and on compact disc-read only memory (CD-ROM). Some of these products are also available online and can be downloaded for free.

Visit the our Publications Warehouse to search for titles and authors. A monthly catalog that lists New Publications of the USGS is also available.

Note: Some of the links below are to Portable Document Format (PDF) files. To view and print these documents, you must obtain and install the PDF Acrobat® Reader, available at no charge from Adobe Systems, Inc.