14 



NEW YORK STATE MUSEUM 



may be obtained at small cost on application to the Director of the 

 State Museum at Albany. The areas thus mapped in detail to date 

 are indicated on map figure 2. 



There are excellent maps showing the topography (surface con- 

 figuration) of most of the Adirondack mountain district. These 

 topographic (or contour) maps, which are called sheets or quad- 

 rangles, are rectangular in shape and bounded by latitude and longi- 

 tude lines. Each map is about 173^ inches high by 12 to 13 inches 

 wide, the latter varying with the latitude. The scale is i to 62,500 

 or nearly one mile to one inch, that is, a mile on the ground is 



Fig. 2 Sketch map of northern New York showing the names and 

 locations of the various topographic maps (quadrangles) published by the 

 United States Geological Survey in cooperation with New York State to 

 January 1916. Geological maps of the following quadrangles have been 

 published by the New York State Museum: Little Falls, Broadalbin, 

 Saratoga, Schuylerville, Lake Pleasant, Remsen, Port Leyden, North 

 Creek, Paradox Lake, Port Henry, Elizabethtown, Long Lake, Blue 

 Mountain, Alexandria Bay, Grindstone, Clayton, and Theresa. Geologic 

 maps soon to be published are : Schroon Lake, Lake Placid and Mount 

 Marcy. 



