New York State 30 x 60 minute series (1:100,000 scale) maps are one of a number of map series produced by the USGS. These can be located in BISON by title and are shelved in the Map Room under SuDoc number. The Map Collection has maps in this series for a number of states. Below is an index showing the maps for New York.

For example the title: Rochester is located under: US I 19.110: 43077-A 1-TM-100 /994