Show Crescent Darn Dam I IThe Ia S.- S. k LN S Sq q I S L. L 4 a The crescent dam pictured p above Is U a vital part of the great New York state tate barge canal and was erected to Impound the waters of the upper Mohawk Mo Me- hawk river A remarkable feature are arc the gaps gap In It which cap can be closed I j When this Is I. done the top of the dam Is extended to Its thousand foot length and a reservoir Is formed four miles mile long and w t miles wide with a capacIty capacity capacity capac capac- I ity of gallons |