880, 



NEW YORK STATE MUSEUM 



Rensselaer co. 

 Bath 



Brunswick 

 Deep kill 

 Grant Hollow 

 Johnsonville 

 Lansingburg 

 Melrose 

 Raymertown 

 Schaghticoke 

 Speigletotvn 

 Tomhannock 



Tomhannock creek 



Troy 



Wilson's creek 

 Saratoga co. 



Mechanicville 



Schuylerville 

 Steuben co. 



Corning 



East Corning 

 Washington co. 



Middle Granville 



INDEX TO FORMATIONS 



Cambric, 8228, 3229, 3230 



Georgian, 3126, 3210, 3216 



Lower Siluric, 3211 



Trenton limestone, 3095, 3129, 3202, 3208, 3212, 3213, 3214, 3215, 

 3217, 3218, 3219, 3222, 3224, 3225, 3226, 3227 



Normans kill shale, 3202, 3208, 3212, 3213, 3214, 3215, 3217, 

 3218, 3219, 3222, 3224, 3225, 3226, 3227 



Utica shale, 3203, 3204, 3205, 3209, 3220, 3221, 3223 



Lorraine, 3206, 3207 



Clinton beds, 3128 



Niagaran, 3127 



Lockport limestone, 3124 



Guelph formation, 3122, 3123, 3124, 3125 



Devonic (Grande Greve limestone), 3094 



Portage beds, 3096, 3097, 3098, 3099, 3100, 3101, 3102, 3103, 3104, 

 3110, 3111, 3112, 3115, 3116, 3118 

 Cashaqua shales, 3096, 3103 

 Ithaca beds, 3113, 3114, 3117, 3119 



Chemung beds, 3105, 3106, 3107, 3108, 3109, 3113, 3114, 3117, 3119, 

 3120, 3121, 3130, 3131, 3132, 3133, 3134, 3135, 3136, 3137, 3138, 

 3139, 3140, 3141, 3142, 3143, 3144, 3145, 3146, 3147, 3148, 3149, 

 3150, 3151, 3152, 3153, 3154, 3155, 3156, 3157, 3158, 3159, 3160, 

 3161, 3162, 3163, 3164, 3165, 3166, 3167, 3168, 3169, 3170, 3171, 

 3172, 3173, 3174, 3175, 3176, 3177, 3178, 3179, 3180, 3181, 3182, 

 3183, 3184, 3185, 3186, 3187, 3188, 3189, 3190, 3191, 3192, 3193, 



