Maryland Geological Survey 483 



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Brown hackly shale ijredominating with gray and lirown 



interbediled sandstone 4911.3 S6.5 4287 



Thin-bedded green sandstone with interbedded green 



shale 4798.8 22.2 4200 



Heavy-bedded brown sandstone with an occasional bed 



of green sandstone N. 30° E. 50° E 4769.8 48.2 4178 



Massive gray sandstone 4706.8 17.2 4130 



Brilliant red hand of flaggy sandstone at the bottom and 



red shale breaking irregularly at the top 4687.3 18.5 4113 



Interbedded hackly brown and green shale with thin 



beds of flaggy grayish-green sandstone 4666.2 27.2 4094 



Brown sandstone, heavy-bedded at the bottom, thin- 

 bedded towards the top. N. 30° E. 62° E 4635.2 11.4 4067 



Gray sandstone lower 10 feet massive, upper 30 feet 



thin-bedded 4622.2 35.2 4055 



Interbedded green and brown shale breaking irregularly 4582.2 36.1 4020 

 Brown and green shale breaking irregularly with some 



interbedded brown sandstone 4541.2 13.2 3984 



Brilliant red hackly shale 4526.2 12.3 3971 



Green and brown shale breaking irregularly with inter- 

 bedded grayish-green and some brown sandstone 4512.3 125 3959 



Brown sandstone 4370.2 2.6 3833 



Brown shale breaking irregularly. Strike N. 30° E 4367.2 5.2 3833 



Thin-bedded gray flaggy sandstone 4361.2 63.7 3826 



Brown hackly shale at the bottom with thin beds of 

 gre?n hackly shale in middle of unit and gray sandstone 



at ton. N. 27° E. 62° E 4288.6 36.8 3762 



Green and reddish-brown arenaceous shale with thin bed 



of gray sandstone at top 4246.8 11.1 3725 



Massive brown sandstone 4233.6 6.8 3714 



Hackly green arenaceous shale with an occasional thin 



bed of grayish-green sandstone 4225.6 9.4 3707 



Hackly interbedded brown and green arenaceous shale 

 interbedded with grayish-green sandstone and some brown 



sandstone. N. 25° E. 60° E 4214.6 81.5 3698 



Grayish-brown shale breaking irregularly 4120 7.9 3616 



Brown sandstone with interbedded brown shale breaking 



irregularly 4111 7 3608 



Red and green shale breaking irregularly with inter- 

 bedded thin and heavy beds of brown and grayish-green 



sandstone. Dip 62° E 4103 65.2 3601 



Heavy and thin-bedded gray sandstone coarse-grained 

 and carrying small pebbles. N. 30° E. 55° E 4029 12.2 3536 



