BIBLIOGRAPHY OF EDWARD ORTON 547 



Report on the geology of Warren comity. Geol. Survey Ohio, vol. iii, Geology and 

 Paleontology, part I, Geology, 1878, pp. 381-391, 1 map. 



Report on the geology of Butler county. Ibid., pp. 392-403, 1 map. 



Report on the geology of Preble county. Ibid., pp. 404-419, 1 map. 



Report on the geology of Madison county. Ibid., pp. 420-428. 



Report on the geology of Franklin county. Ibid., pp. 596-646, 1 map. 



Supplemental report on the geology of the Hanging Rock district. Ibid. , pp. 

 885-941, 8 pis. 



The Berea sandstone of Ohio. 1879, pp. 1-9. 



Note on the lower Waverly strata of Ohio. Amer. lour. Sci., third series, vol. xviii, 

 1879, pp. 138-139. 



Review of certain points in the geology of eastern Ohio. In annual report of sec- 

 retary of state for Ohio for 1879. Ohio Ax. Docs., Ann. Repts. for 1879, 64th 

 Gen. Assem., part iii,' 1880, pp. 933-967. 



Also separately, with cover title : "Review of the stratigraphical geology of 

 eastern Ohio. From the annual report of the secretary of state for the year 

 1879," 1880, pp. 1-33, 1 map. 



The Great Kanawha coal fields. The Virginias, vol. iii, 1882, p. 6. 



The Berea grit of Ohio. Pr.oc. Amer. Assoc. Adv. Sci., 30th meeting, 1881, pp. 

 167.-174. 1882. 



A source of the bituminous matter in the Devonian and Sub- Carboniferous black 

 shales of Ohio. Amer. Jour. Sci., third series, vol. xxiv, 1882, pp. 171-174. 



The growth and order of the Lower Coal Measures. Ohio Min. Jour., vol. i, 1882, 

 pp. J 6-25. 



The Lower Coal Measures of Ohio. Ibid., 1883, pp. 97-108. 



A source of the bituminous matter of the black shales of Ohio. Proc. Amer. Assoc. 

 Adv. Sci., 31st meeting, 1882, pp. 373-384. 1883. 



Uses of Ohio coals. Ohio Min. Jour., vol. ii, 1883, pp. 18-23. 



The Ohio coal field. Ibid. , pp. 43-46. 



The iron ores of Ohio. Ibid., 1884, pp. 105-113. 



The gas wells of Ohio. Ibid., 1884, pp. 185-193. 



The constitution of Ohio coals. Ibid., pp. 200-207. 



The Massillon coal field. Ohio Min. Jour., vol. iii, 1884, pp. 32-38. 



The stratigraphical order of the Lower Coal Measures of Ohio. Geol. Survey Ohio, 

 vol. v, Economic Geology, 1884, pp. 1-128, 2 pis. 



The coal seams of the Lower Coal Measures of Ohio — in part. Ibid., pp. 129-168. 



The coal seams of the Lower Coal Measures of Ohio. Mines of Trumbull, Mahon- 

 ing, Columbiana, Jefferson, Portage, Stark (excluding the Massillon field), 

 Carroll, Tuscarawas, and Guernsey counties. Ibid., pp. 169-300, 1 map. 



The iron ores of Ohio, considered with reference to their geological order and geo- 

 graphical distribution. Ibid., pp. 371-435. 



Building stones of Ohio. From advance sheets of the report of the Tenth Census 

 of the United States on "Building stones and the quarry industry." (Com- 

 piled from notes of Edward Orton.) Ibid., pp. 577-642. [Text same as in 

 "Quarries and quarry regions of Ohio," sub.'] 



The coal seams of the Lower Coal Measures of Ohio. The Massillon coal field. 



V Ibid., pp. 773-815, 1 pi. 



The coal seams of the Lower Coal Measures of Ohio. Mines of Muskingum and 

 of Licking counties, and of the northern half of Perry county. Ibid. , pp. 868- 

 911, 1 map. 



