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11. Cambrian, Ordovician, Silurian, and Devonian systems of West Virginia, by Herbert P. Woodward.

["<p> Pamphlet. Authored by James Higgins, \"late state geologist and agricultural chemist, of Maryland.\" Includes plat map of Parish Fork of Standing Stone Creek and Robertson's Fork in Wirt County.</p>"]

12. Geological report on the oil lands of Parish Fork of Standing Stone Creek, in Wirt County, West Virginia.

["<p> Pamphlet. \"Read before the American Philosophical Society, February 5th, 1875.\"</p>"]

13. Notes on the geology of West Virginia, no. II.

14. Surface geology of south-west Pennsylvania and adjacent portions of West Virginia and Maryland.

15. Anticlinal theory and later developments in West Virginia.

16. The Coprolite limestone horizon of the Conemaugh series in and around Morgantown, West Virginia.

17. The Cheat Mountain coal field of Randolph County, West Virginia.

18. The Monongahela series of West Virginia.

19. Gravity of oils in the Appalachian province.

20. The Possibility of deep sand oil and gas in the Appalachian geosyncline of West Virginia.