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Now showing items 11-20 of 15

    Carboniferous - Dunkard formation; Monongahela formation; Conemaugh formation; Allegheny formtion; Pottsville sandstone; Mauch Chunk shale; Greenbrier limestone lentil; Pocono sandstone (1)
    Carboniferous - Braxton formation; Charlestone sandstone; Kanawha formation (1)
    Carboniferous - Braxton formation; Charlestone sandstone; Kanawha formation; Sewell formation (1)
    Carboniferous - Breathitt formation; Lee formation; Corbin conglomerate-lentil; Rockcastle conglomerate-lentil; Pennington shale; Newman limestone; Waverly formation (1)
    Carboniferous - Charleston sandstone; Kanawha formation; Sewell fromation; Nuttall sandstone lentil; Harvey conglomerate lentil; Guyandot sandstone; Raleigh sandstone; Quinnimont shale; Thurmond formation; Clark formation; Pocahontas formation; Bluestone formation; Princetone conglomerate; Hinton formation (1)
    Carboniferous - Conemaugh formation; Allegheny formation; Pottsville formation; Mauch Chunk formation (1)
    Carboniferous - Danville coal bed; Grape Creek coal bed (1)
    Carboniferous - Dunkard formation; Monongahela formation; Conemaugh formation; Saltsburg sandstone; Allegheny formation; Pottsville sandstone; Mauch Chunk formation; Greenbrier limestone; Pocono sandstone (1)
    Carboniferous - Dunkard formation; Monongahela formation; Conemaugh formation; Saltsburg sandstone; Conemaugh formation; Pottsville sandstone; Mauch Chunk formation; Greenbrier limestone; Mauch Chunk formation; Pocono sandstone (1)
    Carboniferous - Harlan formation; Wise formation; Gladeville sandstone; Norton formation; Lee conglomerate; Pennington shale; Newman limestone (1)