Monongahela

Conemaugh

unnamed coal

member Y

Ames Limestone

member W

unnamed coal

member V

Brush Creek Limestone

member U

Princess No. 10 or Brush Creek coal

member T

Princess No. 9 coal zone

Princess

Upper Freeport coal

member S

Princess No. 8 or Lower Freeport coal

member R

Princess No. 7 or Upper Kittanning coal

member Q

Princess No. 6, Winslow, or Middle Kittanning coal

Lawrence coal

Hitchins clay bed

Obryan Member

Princess No. 5B coal

Princess No. 5A or Lower No. 5 Block coal

Kilgore Flint Member

Princess No. 5, Richardson, or Stockton coal zone

Princess No. 4, Broas,
or Torchlight coal zone

"Main Block ore"

Four
Corners

Princess No. 3, Mudseam,
or Nickell coal zone

Peach Orchard
coal zone

Hazard coal

Haddix coal

Magoffin Member

Hyden

Taylor coal

shale member M

Hamlin coal zone

Fire Clay rider coal

Fire Clay
coal zone

Fire Clay-
Whitesburg
coal zone

Fire Clay coal

Little Fire Clay coal

Whitesburg
coal zone

Kendrick Shale Member

Pikeville

Cannel City, Gun Creek, or Williamson coal

Elkins Fork shale

Tom Cooper, Van Lear, or Little Caney coal

member H

Grassy or Hopewell coal

Crummies Member

Bruin, Vires, or Howard coal

Grayson sandstone

Wheelersburg coal

Betsie Shale Member

Grundy

coal

Corbin Sandstone
Member

unnamed coal