3
5
Published July 15, 1976
Subjects: '; ...Hydrology...
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6
7
Published May 1978
Subjects: '; ...Hydrology...

Report Number(s): NGL - 903.11

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10
Published July 1980
Subjects: '; ...Hydrology...
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11
13
14
16
Published July 1981
Subjects: '; ...Hydrology...
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