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Maps & Aerial Photos

Dibblee Geologic Maps

  • Find both print & online Dibblee geologic maps in Library Search.
  • Online Dibblee maps are available to UCSC faculty, staff & students only

Geologic Maps of California Online

Many GEOLOGIC MAPS and most topographic maps are currently unavailable in print at UCSC.  However, many geologic maps are available online.

USGS geologic maps 

Other Sources:


Find USGS publications online

Most USGS publications are now available online:

  • Go the the USGS Publications Warehouse
    Click on advanced search in the middle of the screen.
  • Pull down the “Limit by” menu, and choose Report Series
  • An arrow will appear at the right end of the search box. When you click on it, you'll get a list of the USGS reports series. Select the one you want.  (try Bulletin)
  • In the search box at the top, fill in an author's name, a subject, or a title.
    • Sample author: Sweetkind
    • Sample subject: Loma Prieta
  • Results will be sorted by date, but you can also choose to sort by author or title.

Topographic Maps