pubs.usgs.gov · pdf file230 mattawamkeag winn 200 ledge falls 2/0 7 mi es scale...

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Page 1: pubs.usgs.gov · PDF file230 MATTAWAMKEAG WINN 200 Ledge Falls 2/0 7 mi es Scale —L— 24000 3 miles Contour Interval on land 10 feet Contour Interval on river surface I foot