[Report]

Mode of access: Internet.

Water-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland : sources, characteristics, anaylsis, and limitations of nutrient and suspended-seditment data, 1975-90 /

"National Water-Quality Assessment Program"

Water quality in Rhode River at Smithsonian Institution Pier near Annapolis, Maryland, April 1970 through December 1973 /

Chiefly tables.

Annual report of the Bureau of Statistics and Information of Maryland.

"Gazetteer of Maryland, by Henry Gannett, of U.S. Geological Survey": Seventeenth annual report, 1908, p. [415]-423.

Hydrology of area 5, Eastern Coal Province, Pennsylvania, Maryland, and West Virginia /

Mode of access: Internet.

Water quality in the Potomac River basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96 /

Mode of access: Internet.

Geologic and water-supply reports and maps : Maryland-Delaware-District of Columbia.

Mode of access: Internet.

Bulletin of the United States Geological and Geographical Survey of the Territories. F. V. Hayden, geologist-in-charge

Vols.2-4 (1876-78) annual, each volume consisting of 4 consecutively paged numbers. Vols.5-6 (1880-82) biennial, v.5 containing 4 consecutively paged numbers and v.6, 3 consecutively paged numbers

Guide leaflet, geological science field trip, Wheaton area : DuPage and Kane Counties, Wheaton, Barrington, Elgin and Geneva quadrangles /

April 29, 1962.

Guide leaflet, geological science field trip, Milan-Rock Island area : Rock Island and Henry Counties, Miland, Coal Valley, Port Byron, Green Rock, Davenport East and Silvis quadrangles /

September 17, 1960.

Geological science field trip guide leaflet : Hamilton area, Hancock County : Keokuk, Carthage, Fort Madison, and Lomax Quadrangles.

Bibliography included in abstract.

A preliminary report on the electrical resistivity survey at Medicine Lake, Montana /

Mode of access: Internet.

Guidebook for the South Carolina coastal plain field trip of the Carolina Geological Society : Nov. 16-17, 1957 /

"Prepared in cooperation with the U. S. Geological Survey."

Index to palaeontology : (Geological publications) /

No. 1 issued without series.

Survey and use of world literature in water resources : administrative report /

Mode of access: Internet.