N.Y. CAL Law § 24

§ 24. Making and recording maps. There shall be kept on file in the\noffice of the corporation complete maps of every canal now or hereafter\nto be built on which the boundaries of every parcel of land to which the\nstate shall have a separate title shall be designated and the names of\nthe former owner and date of each title entered. All such maps\nheretofore approved by the commissioner of transportation or the\ncorporation, or certified by such commissioner, corporation or by the\nstate engineer or hereafter approved by the corporation to be correct,\nshall be presumptive evidence of the truth of the facts therein stated\nand of the ownership by the state of the lands therein described. Every\nsuch map when completed shall be approved and certified to as correct by\nthe corporation. The original of said map shall be filed in the office\nof the corporation and copies thereof duly signed and certified as\naforesaid shall be filed in the office of the department of state. Any\nsuch maps filed in the office of the clerk of a county in which such\nlands are located or in the office in such county where conveyances are\nrequired by law to be recorded shall constitute evidence to all persons\nof the state's title to and ownership in said lands. A transcript of\nsuch maps certified as correct by the officer with whom such map or maps\nshall be filed, shall be received as presumptive evidence of the state's\ntitle to the canal lands as of the date designated on such maps in all\njudicial or legal proceedings.\n