Showing 181 - 200 results of 508 for search '', query time: 0.30s Refine Results
  1. 181
    Stratigraphic distribution and bibliography of fossil fish, amphibians, and reptiles from Virginia /
    by Weems, R. E. (Robert E.)
    Published 1993
    Government Document Microform Book
  2. 182
    Structural analysis of divergent folds in the Martinsburg and Oranda formations, Middletown 7.5-minute quadrangle, Va /
    by Epstein, Jack Burton, 1935-
    Published 1993
    Government Document Microform Book
  3. 183
    Virginia : index to topographic and other map coverage /
    Published 1993
    Government Document Map
  4. 184
    Conodont color alteration index (CAI) map and conodont-based age determinations for the Winchester 30ʹ x 60ʹ quadrangle and adjacent area, Virginia, West Virginia, and Maryland /
    Published 1994
    Government Document Map
  5. 185
    Geologic map of large rock block slides at Sinking Creek Mountain, Appalachian Valley and Ridge Province, southwestern Virginia, and comparison with the Colorado Front Range /
    Published 1993
    Government Document Map
  6. 186
    Ground-water discharge from the Coastal Plain of Virginia /
    by Richardson, Donna L.
    Published 1994
    Government Document Book
  7. 187
    Beckley, W. VA.--VA.--KY., 1982 : 1:100 000-scale metric topographic map : 30 x 60 minute series (topographic) /
    Published 1984
    Government Document Map
  8. 188
    Compilation of surface-water and water-quality data-collection sites on selected streams in Virginia /
    by Prugh, Byron J.
    Published 1993
    Government Document Microform Book
  9. 189
    Detailed sections from auger holes in the Bowling Green, Penola, Sparta, and Supply quadrangles, Virginia /
    by Weems, R. E. (Robert E.)
    Published 1994
    Government Document Microform Book
  10. 190
    Geologic map of the Manassas quadrangle, Fairfax and Prince William counties, Virginia /
    Published 1994
    Government Document Map
  11. 191
    Relation of stream quality to streamflow, and estimated loads of selected water-quality constituents in the James and Rappahannock Rivers near the fall line of Virginia, July 1988 through June 1990 /
    by Belval, Donna L.
    Published 1994
    Government Document Book
  12. 192
    Water-quality trends and basin activities and characteristics for the Albemarle-Pamlico estuarine system, North Carolina and Virginia /
    by Harned, Douglas
    Published 1990
    Government Document Microform Book
  13. 193
    Well-construction, water-level, and ground-water-quality data for Prince William County, Virginia, 1992 /
    by Nelms, David L.
    Published 1993
    Government Document Microform Book
  14. 194
    Flow and salinity in West Neck Creek, Virginia, 1989-92, and salinity in North Landing River, North Carolina, 1991-92 /
    by Bales, Jerad
    Published 1994
    Government Document Book
  15. 195
    Land use in, and water quality of, the Pea Hill Arm of Lake Gaston, Virginia and North Carolina, 1988-90 /
    by Woodside, M. D. (Michael D.)
    Published 1994
    Government Document Book
  16. 196
    Preliminary geologic map of the South Boston 30 X 60 minute quadrangle, Virginia and North Carolina /
    Published 1993
    Government Document Microform Book
  17. 197
    Preliminary bedrock geologic map of the Wightman 7.5' quadrangle, Virginia /
    Government Document Microform Book
  18. 198
    Geologic map of the Bluemont quadrangle, Loudoun and Clarke counties, Virginia /
    Published 1994
    Government Document Map
  19. 199
    Use of fathometers and electrical-conductivity probes to monitor riverbed scour at bridge piers /
    by Hayes, Donald C.
    Published 1995
    Government Document Book
  20. 200
    Geologic map of the Robertson River igneous suite, Blue Ridge province, northern and central Virginia /
    Published 1994
    Government Document Map
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