http://elevation.its.ny.gov/arcgis/rest/services/indexes/contour_index/FeatureServer http://elevation.its.ny.gov/arcgis/rest/services/indexes/contour_index/MapServer http://elevation.its.ny.gov/arcgis/rest/services/indexes/Historic_LiDAR_Collections/FeatureServer http://elevation.its.ny.gov/arcgis/rest/services/indexes/Historic_LiDAR_Collections/MapServer http://elevation.its.ny.gov/arcgis/rest/services/indexes/Latest_DEM_Index/MapServer http://elevation.its.ny.gov/arcgis/rest/services/indexes/Latest_LiDAR_Collections/FeatureServer http://elevation.its.ny.gov/arcgis/rest/services/indexes/Latest_LiDAR_Collections/MapServer