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Publications for publication type Report and publication subtype USGS Numbered Series
- Evidence for continental crustal assimilation in the Hemlock Formation flood basalts of the early Proterozoic Penokean Orogen, Lake Superior region, 1991, Bulletin 1904 I
- A new Tolypella from the Ocean Point dinosaur locality, North Slope, Alaska, and the Late Cretaceous to Paleocene nitelloid charophytes, 1991, Bulletin 1990 F
- Whistle, a nearly dormant geyser in Upper Geyser Basin, Yellowstone National Park, Wyoming; the first geyser to be studied by research drilling, 1991, Bulletin 1967
- Composition, clay mineralogy, and diagenesis of the Simpson Group (Middle Ordovician), Grady County, Oklahoma, 1991, Bulletin 1866 H
- Depositional environments for strata of composite section of Frontier Formation, Madison Range, southwestern Montana, 1991, Bulletin 1949
- Pollen zonation and correlation of Maastrichtian marine beds and associated strata, Ocean Point dinosaur locality, North Slope, Alaska, 1991, Bulletin 1990 E
- A petrologic study of the Fox Hills Sandstone, Rock Springs Uplift, Wyoming, 1991, Bulletin 1919
- Gold placers of the Circle District, Alaska — Past, present, and future, 1991, Bulletin 1943
- Nature and style of deformation in the foreland of the early Proterozoic Penokean Orogen, northern Michigan, 1991, Bulletin 1904 K
- Geology, geochemistry, and mineral resource assessment of the southern Nantahala Wilderness and adjacent roadless areas, Rabun and Towns counties, Georgia, and Clay and Macon counties, North Carolina, 1991, Bulletin 1883
- Middle Cretaceous stratigraphy on the south and east sides of the Uinta Basin, northeastern Utah and northwestern Colorado, 1991, Bulletin 1787 P
- New observations on the age and structure of Proterozoic quartzites in Wisconsin, 1991, Bulletin 1904 B
- Mineralogy and chemistry of samples from a drill hole in the southern extension of the land-pebble phosphate district, Florida, 1991, Bulletin 1978
- Mineral resource potential of the NB-20-4 Quadrangle, eastern Guayana Shield, Bolivar State, Venezuela, 1991, Bulletin 1960
- Mineral resources of the Devils Playground and Twin Buttes Wilderness Study Areas, Sweetwater County, Wyoming, 1991, Bulletin 1759 C
- Neodymium isotopic evidence for early Proterozoic units in the Watersmeet gneiss dome, northern Michigan. Temperature-pressure estimates of dynamically recrystallized rocks in the early Proterozoic Mountain shear zone, northeastern Wisconsin, 1991, Bulletin 1904 G,H
- Shorter contributions to paleontology and stratigraphy, 1991, Bulletin 1934
- Ground-water chemistry and diagenetic reactions in Tertiary sandstones of the Green River and Wasatch formations, Uinta Basin, Utah, 1991, Bulletin 1787 X
- Geology and mineral resource assessment of the Springfield 1° x 2° quadrangle, Missouri, as appraised in September 1985, 1991, Bulletin 1942
- Uplift of the Bighorn Mountains, Wyoming and Montana; a sandstone provenance study, 1991, Bulletin 1917 D
- Quantitative mineral resource assessment of selected mineral deposits in the Challis National Forest, Idaho, 1991, Bulletin 1987
- Coal resources of Tazewell County, Virginia, 1980, 1991, Bulletin 1913
- Coalfields of New Mexico: Geology and resources, 1991, Bulletin 1972
- Possible relationship between seismicity and warm intrusive bodies in the Charleston, South Carolina, and New Madrid, Missouri, areas, 1991, Bulletin 1953
- Gold deposits related to greenstone belts in Brazil; deposit modeling workshop; Part A, excursions, 1991, Bulletin 1980 A
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