On-line Digital Data Series
- Geology of the Conterminous United States at 1:2,500,000 Scale — A Digital Representation of the 1974 P.B. King and H.M. Beikman Map
Digital Data Series 11 - Geology and Resource Assessment of Costa Rica at 1:500,000 Scale
Digital Data Series 19 - Geology and resource assessment of Costa Rica at 1:500,000
scale; a digital representation of maps of the U.S. Geological Survey's 1987
Folio I-1865
Digital Data Series 0019-R (Release 2) - Geology and Resource Assessment of the Venezuelan Guayana Shield at 1:500,000 Scale
Digital Data Series 46 - National geochemical
data base, PLUTO geochemical data base for the United States
Digital Data Series 47 - Aeromagnetic, gravity anomaly,
and derivative maps of the Craig and Dixon Entrance 1° by 3° quadrangles
of Southeastern Alaska
Digital Data Series 56 - Assessment of the Alluvial Sediments in the Big Thompson River Valley, Colorado
Digital Data Series 66 - Surficial Geologic Maps Along the Riparian Zone of the Animas River and Its Headwater Tributaries, Silverton to Durango, Colorado, with Upper Animas River Watershed Gradient Profiles
Digital Data Series-071 - Hydrogeochemical Investigations of Historic Mining Districts, Central Western Slope of Colorado, Including Influence on Surface-Water Quality
Digital Data Series-073