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Flood Watch
3 plates
Plate 103 — River gauge station, Black River, winter
December 1912 [estimated]
No. 01-1912-000103
Plate 87 — Floodplain observation platform — exposure 2 of 4
February 1937 [estimated]
No. 07-1937-000087
Plate 70 — Flood control structure, section 7-4, winter survey
January 18, 1937
No. 12-1937-000070