The CSU library has a major collection of USGS publications. Series names, call numbers, and basic holdings are listed below. Note that recent issuances for many series are online at the sites above. The number for the individual item in the series normally follows the colon in the call number.
These USGS maps are not to be confused with the USGS topographic maps. Instead, they deal with geology and in the CSU library are folded and packaged in manila sleeves (hence, the phrase "packet maps"). They are shelved by call number and map number in the map collection. The map number follows the colon in the call number. Guide to USGS Publications (Z6034 .U49G493 1998 Ref Desk) describes geology maps to 1998. Important series and their call numbers are listed below.
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