The river basin model: economic sector

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086 0 ‡aEP 1.16:16110 FRU 12/71-3
090 ‡aTD425 ‡b.E59
110 2 0 ‡aEnvirometrics, inc.
245 1 4 ‡aThe river basin model: ‡beconomic sector. ‡cBy Envirometrics, inc., for the Office of Research and Monitoring, Environmental Protection Agency.
260 0 ‡aWashington, ‡b[U.S. Environmental Protection Agency] For sale by the Supt. of Docs., U.S. Govt. Print. Off., ‡c1971.
300 ‡aiv, 151 p. ‡c28 cm.
490 0 ‡aWater pollution control research series.
500 ‡a"Project 16110 FRU; contract 14-12-959."
500 ‡aCover title: The basin model: economic sector.
538 ‡aMode of access: Internet.
650 0 ‡aWater ‡xPollution.
710 1 0 ‡aUnited States. ‡bEnvironmental Protection Agency. ‡bOffice of Research and Monitoring.
740 4 0 ‡aThe basin model: economic sector.
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