"Supersedes Open-file report 90-141." "NAWDEX, National Water Data Exchange." Distributed to depository libraries in microfiche. Shipping list no.: 92-2538-M.
Series:
U.S. Geological Survey open-file report ; 91-501
OCLC:
(OCoLC)27673872
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
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.