The Locator -- [(subject = "Water quality--United States--History")]

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Title:
Environmental characteristics and water quality of hydrologic benchmark stations in the United States, 1963-95 [electronic resource].
Format:
[electronic resource].
Publisher:
U.S. Dept. of the InteriorU.S. Geological Survey,
Copyright Date:
1999-2000
Description:
4 v. : HTML, digital, PDF files.
Subject:
Hydrology--United States--Observations.
Hydrology--United States--History.
Water quality--United States--Observations.
Water quality--United States--History.
Stream-gaging stations--United States.
Stream measurements--United States.
Other Authors:
Geological Survey (U.S.)
Contents:
Introduction to circular -- Analytical methods -- Circular 1173-A. HBN in the eastern U.S. -- Circular 1173-B. HBN in the midwestern U.S. -- Circular 1173-C. HBN in the west-central U.S. -- Circular 1173-D. HBN in the western U.S.
Series:
U.S. Geological Survey circular 1173
OCLC:
(OCoLC)236168852
Locations:
USUX851 -- Iowa State University - Parks Library (Ames)

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This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.