Bishop — Geology of Erie County. 



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The measured distance to the top of the Trenton was 2,960 feet. The 

 drill passed through a part of the Marcellus at the top, Mr. Shaffer estimat- 

 ing it at sixty feet. Owing to the presence of the Stafford limestone so 

 near the Corniferous it was not easy to distinguish them apart. 



Hamlin Well*, American Glucose Works, near Elk street market. 

 Two wells were put down hereto furnish fuel and lights for the Glucose 

 Works. Well No. 1 was bored in 1888 or 1889, near the northeast corner of 

 East Market and Perry Streets, James Woodring doing the drilling. The 

 written record of the well and a set of samples of drillings have been lost . 

 Professor F. W. Barrows had access to the latter in 1890, and has fortunately 

 preserved the following memoranda . 



42 feet, Drift. 



At 42 





Chocolate-colored limestone. 



60 



u 



White and grey limestone. 



150 





Limestone. 



650 



tt 



Grey shale and gypsum (salt water). 



675 



it 



Sandy, with spots of iron. 



726 



a 



Like the preceding. 



800 



a 



Grey slat)' lime. 



850 



it 



Harder grey limestone. 



905 



it 



Rusty red sand, chestnut color. 



910 



u 



Same, but lighter color. 



915 



tt 



Same, but lighter color. 



920 



u 



Same, but lighter color. 



925 



it 



White sandstone, rusted so as t<> look red. 



930 



u 



Dark red or brown, line grains. 



940 



a 



Light grey, rusty patches, traces of oil. 



955 



tt 



Like the last, but more rusty. Gas. 



962 



it 



Same, but liner grains. More gas. 



967 



It 



Greenish grey ; large grains light grey and others dark-red, 

 all of a shaly appearance. 



1,038 



it 



Dark brown shale. 



The rust mentioned by Professor Barrows in several samples was 

 probably caused by chips from the drill oxidizing in the air. This well, 

 according to Professor Barrows, was 1,050 feet deep. Mr. C. Wesley, of the 

 Glucose Co., thought the well was 1,170 feet deep, but had no written record. 

 The supply of gas from this boring was very small although the rock-pressure 



