Other Finding Aids
Available at Repository
Maps predating 1859 are indexed by David E. E. Mix, "Catalogue of Maps and Surveys, in the Offices of the Secretary of State, State Engineer and Surveyor and Comptroller..." (Albany, 1859) pp. 309-321.
B1610-99: An alphabetical index by county, and then by town or tract, is also available.
B1610-99: Container list; Item list for oversized maps.
B1610-99A: Volume list and item list.