i6o 



NEW YORK STATE MUSEUM 



Statistics 



Moodnu valley 



I HOLES BORED UNDER AGREEMENT NO. l8 



No. 

 Ai8 



Surface 



elevation in 



feet 



Rock 



elevation in 



feet 



Rock 



penetration 



in feet 



Per 



cent core 



saved 



Kind of rock 



1 86 +27 22 o Slate and sandstone 



(On porosity test with plug at 58 feet deep the loss of water was 6 gallons 

 per minute with pressure of o-io pounds per square inch.) Test unsatis- 

 factory because of large hole. 



, 2 I 236.5 I ? I o I 01 o 



t 3 I 136.3 I 36.7 ' 26 ' o I Slate 



(On porosity test with depth to plug 173.5 feet and pressure 0-60 pounds 

 per square inch the loss was 5 gallons per minute.) Test unsatisfactory 

 because of large hole. 



[4 

 5 

 6 



7 



259.6 



295-5 

 302.7 

 297.0 



39-4 



37.^ 



+ 26 



154-5 



129 .2 







30.7 



75 



71 











Slate and sandstone 

 Slate and sandstone 





 Slate 



2 HOLES BORED UNDER AGREEMENT NO. 4O 



No. 

 A40 



Surface 



Rock 



Rock 



Per 





elevation in 



elevation in 



penetration 



cent core 



Kind of rock 



feet 



feet 



in feet 



saved 1 





r-'i 



276 



2or 



125 







Slate 



2 



274-3 



228.8 



52-5 







" 



T 3 



294.7 



257-7 



45-3 







It 



rv 4 



273.1 



222 . 1 



139-7 



60 



Slate and sandstone 



r- - 5 



347-1 



239.1 



48.7 







Slate 



6 



374-6 



250 .6 



38.0 







" 



r-' 7 



168.4 



40.4 



no . I 



88 



Slate and sandstone 



PS 



188.7 



168.2 



325 



76 



Slate and sandstone 



^r 9 



176.3 



164.3 



25-5 







Slate 



P'lO 



172.3 



46.3 



26 







*' 



l;^ 



169.9 



98.9 



25-5 







" 



221.2 



208.2 



25-5 







Slate and sandstone 



; ^^ 



226. 7 



210 . 7 



32-7 







" 



' 14 



226.6 



212 .6 



31.0 







" 



f 15 



230 . 1 



215. 1 



32-5 







Slate and sandstone 



t|i6 



208.3 



184.3 



32.0 







Slate 



1 17 



169.2 



43-2 



25 .0 









iln cases which show no recovery of core a method of drilling was employed different 

 from the others and the rock was ground to pieces. Failure to recover core may therefore 

 be no indication of poor rock quality. 



