Water-quality data-collection activities in Colorado and Ohio
Subtitle: Phase III, evaluation of existing data for use in assessing regional water-quality conditions and trends
By: by J. Michael Norris ... [et al.].
Contributors: Norris, J. Michael.; Geological Survey (U.S.)
Series: Open-file report -- 89-391; U.S. Geological Survey open-file report -- 89-391.
Publisher: U.S. Geological Survey; Books and Open-File Reports Section [distributor]
Published: 1990
Place of publication: Denver, Colo
Language: eng
Format: Microform
Subjects: Water quality -- Colorado -- Measurement.; Water quality -- Ohio -- Measurement.
Other titles: Evaluation of existing data for use in assessing regional water-quality conditions and trends
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 92-0659-M.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 1 microfiche.