Water quality instructional resources information systems (IRIS).

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245 0 0 ‡aWater quality instructional resources information systems (IRIS).
246 1 8 ‡aIRIS
264 ⊔ 1 ‡aColumbus : ‡bEPA Information Dissemination Project, ‡c[1976?]-
300 ⊔ ⊔ ‡c30 cm
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500 ⊔ ⊔ ‡a"A compilation of abstracts to water quality and water resources materials".
525 ⊔ ⊔ ‡aUpdates called Supplement 1-
538 ⊔ ⊔ ‡aMode of access: Internet.
550 ⊔ ⊔ ‡aCompiled: 1976, by the Water Quality Office, EPA; 1979- by the staff of the EPA Instructional Resources Center, SMEAC Information Reference Center; 1985(?)- by the Environmental Quality Instructional Resources Center.
550 ⊔ ⊔ ‡aPublisher: 1976. Water Quality Office, Environmental Protection Agency; 1979- National Training and Operational Technology Center, Office of Water Program Operations, EPA.
650 ⊔ 0 ‡aHuman ecology ‡xStudy and teaching ‡vAbstracts.
650 ⊔ 0 ‡aWater resources development ‡vAbstracts.
650 ⊔ 0 ‡aWater quality management ‡vAbstracts.
710 2 ⊔ ‡aNational Training and Operational Technology Center (U.S.)
710 2 ⊔ ‡aERIC Clearinghouse for Science, Mathematics, and Environmental Education. ‡bEnvironmental Quality Instructional Resources Center.
710 2 ⊔ ‡aERIC Clearinghouse for Science, Mathematics, and Environmental Education. ‡bEPA Instructional Resources Center.
710 2 ⊔ ‡aERIC Clearinghouse for Science, Mathematics, and Environmental Education. ‡bEPA Information Dissemination Project.
710 1 ⊔ ‡aUnited States. ‡bEnvironmental Protection Agency. ‡bOffice of Water Program Operations.
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DAT 1 ⊔ ‡a20240807140621.0 ‡b2024-08-08T06:49:47Z
DAT 2 ⊔ ‡a2023-11-26T18:30:02Z
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