389.

1873-Borden (W. W.). Geological maps of Clark and Floyd Counties, Indiana.

Accompanying "Fifth annual report of the geological surv. of Indiana, made during the year 1873", by E. T. Cox. Indianapolis, 1874.

390.

1873-Collett (John). (Geological) map of Lawrence County, Indiana. Accompanying "Fifth annual report of the geological surv. of Indiana." Indianapolis, 1874.

Black, with geological indications.

391.

1873-Newberry (J. S.). Geological map of Ohio.

Accompanying "Paleontology and the moral sense," by Charles Whittlesey, p. 9. Cleveland, 1873.

See Newberry (J. S.), 1867-No. 384.

392.

1873-Newberry (J. S.). Geological map of Cuyahoga County. Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 171. Columbus, 1873.

393.

1873-Newberry (J. S.). Geological map of Clarke County.

Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 480. Columbus, 1873.

394.

1873-Newberry (J. S.). Geological map of Summit County.

Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 201. Columbus, 1873.

395.

1873-Orton (Edward). Map showing lines of junction of Cincinnati group and Clinton limestone, or of Lower and Upper Silurian, in Southwestern Ohio. Scale, 5 miles to 1 inch.

Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 413. Columbus, 1873.

396.

1873-Pumpelly (Raphael). Map to accompany the cross-sections of the Portage Lake district. Scale, 1=12,000.

Accompanying "Geological survey of Michigan." Atlas folio. 1873. Plates XIVa and XIVb. New York, 1873.

A. R. Marvine and L. G. Emerson, assistants; in two sheets.

397.

1873-Pumpelly (Raphael). Map to accompany the cross sections of the Eagle River district. Scale, 1: 4,800 (or) 400 feet to an inch.

Accompanying "Geological survey of Michigan." Atlas folio. 1873. Plate XX. New York, 1873.

A. R. Marvine and S. B. Ladd, assistants.

405.

1873-Read (M. C.). Geological map of Ashtabula, Lake, Geauga, and Trumbull Counties.

Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 483. Columbus, 1-73.

399.

1873-Rominger (Charles), Pumpelly (Raphael) & Brooks (T. B.). Map of the Upper Peninsula. Palazoic rocks, by C. Rominger; copper-bearing rocks, by R. Pumpelly; iron-bearing rocks (Huronian), by T. B. Brooks; Laurentian rocks, by Brooks & Pumpelly. Scale, 13 miles to an inch, 323680.

Accompanying "Geological survey of Michigan." Atlas folio. 1873. Plate I. New York.

400.

1873-Whittlesey (Charles). Geological map of Ohio. Geological outlines, by Charles Whittlesey, 1856.

Accompanying "Paleontology and the moral sense," p. 8. Cleveland, 1873. See Whittlesey (Charles), 1856, a reduction in black, with indications by numbers-No. 376.

401.

1873-Winchell (N. H.). Geological map of Wyandot County.

Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 625. Columbus, 1873.

402.

1873-Winchell (N. H.). Geological map of Marion County.

Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 640. Columbus, 1873.

403.

1873-Winchell (N. H.). Geological map of Seneca County.

Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 611. Columbus, 1873.

404.

1873-Winchell (N. H.). Geological map of Sandusky County.

Accompanying "Geological survey of Ohio." Geology. Vol. I, p. 593. Columbus, 1873.

405.

1874—Newberry (J. S.). Geological map of Erie County, and the Islands.

Accompanying "Geological survey of Ohio." Vol. II, p. 185. Columbus, 1874.

406.

1874-Orton (Edward). Geological map of Highland, Ross, and Pike Counties.

Accompanying "Geological survey of Ohio," Vol. II, p. 611. Columbus,

1874.

407.

1874-Orton (Edward). Geological map of Green County.

Accompanying "Geological survey of Ohio," Vol. II, p. 659. Columbus,

1874.

408.

1874-Winchell (N. H.). Geological map of Defiance County. Accompanying "Geological survey of Ohio," Vol. II, p. 422. Columbus, 1874.

409.

1874-Winchell (N. H.). Geological map of Ottawa County.

Accompanying "Geological survey of Ohio," Vol. II, p. 227. Columbus, 1874.

410.

1874-Winchell (N. H.). Geological map of Crawford County. Accompanying "Geological survey of Ohio," Vol. II, p. 237. Columbus, 1874.

411.

1874-Winchell (N. H.). Geological map of Morrow County.

Accompanying "Geological survey of Ohio," Vol. II, p. 253. Columbus, 1874.

412.

1874-Winchell (N. H.). Geological map of Delaware County. Accompanying "Geological survey of Ohio," Vol. II, p. 272. Columbus, 1874.

413.

1874-Winchell (N. H.). Geological map of Van Wert County. Accompanying "Geological survey of Ohio," Vol. II, p. 314. Columbus, 1874.

414.

1874-Winchell (N. H.). Geological map of Union County.

Accompanying "Geological survey of Ohio," Vol. II, p. 324. Columbus,

1874.

415.

1874-Winchell (N. H.). Geological map of Paulding County. Accompanying "Geological survey of Ohio," Vol. II, p. 336. Columbus,

1874.

416.

1874-Winchell (N. H.). Geological map of Harding County. Accompanying "Geological survey of Ohio," Vol. II, p. 354. Columbus,

1874.

417.

1874-Winchell (N. H.). Geological map of Hancock County. Accompanying "Geological survey of Ohio," Vol. II, p. 358. Columbus,

1874.

418.

1874-Winchell (N. H.). Geological map of Wood County.

Accompanying "Geological survey of Ohio," Vol. II, p. 368. Columbus,

1874.

419.

1874-Winchell (N. H.). Geological map of Putnam County. Accompanying "Geological survey of Ohio," Vol. II, p. 387. Columbus,

1874.

420.

1874-Winchell (N. H.). Geological map of Henry County.

Accompanying "Geological survey of Ohio," Vol. II, p. 416. Columbus,

1874.

421.

1875-Sauvage (M. E.). Carte de la région ferrifère de Michigan. Scale,

1098240.

Accompanying "Notice sur les minérais de Fer du Lac Supérieur." Annales des mines, 7° série, tome VIII, Pl. I. Paris, 1875.

In black etching and one color.

422.

1875-Whittlesey (Charles). Physical geology of Lake Superior. Scale, 50 miles to inch,

Accompanying "Physical geology of Lake Superior." Proceedings of American Association for the Advancement of Science, Vol. XXIV, p. 64. Salem, 1876.

423.

1876-Rominger (Charles). Geological map of the lower peninsula. Scale, 13 miles to one inch, or 1:823,680.

Accompanying "Geological survey of Michigan," Vol. III, Part I. New York, 1876.

424.

1876 Spencer (J. W.). Keweenaw Point. Scale, 20 miles to the inch. Accompanying "On the Nipigon or copper-bearing rocks of Lake Superior," with notes on copper mining in that region. The Canadian Naturalist and Geologist, new series, Vol. VIII, p. 55. Montreal, 1878.

Black etching.

425.

1878-Hill (F. C.) Map of Logan and Champaign Counties.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 491. Columbus, 1878.

426.

1878-Newberry (J. S.). Map of Portage County.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 133. Columbus, 1878.

427.

1878-Orton (Edward). Map of Butler County.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 399. Columbus, 1878.

428.

1878-Orton (Edward). Map of Preble County.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 404Columbus, 1878.

429.

1878-Orton (Edward). Map of Franklin County.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 600. Columbus, 1878.

430.

1878-Orton (Edward). Map of Warren County.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 382. Columbus, 1878.

431.

1878-Read (M. C.). Map of Huron County.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 299. Columbus, 1878.

432.

1878-Read (M.C.). Map of Richland, Ashland, Wayne, Knox, Holmes, Coshocton, and Licking Counties.

Accompanying Geological survey of Ohio." Geology. Vol. III, p. 529. Columbus, 1878.

433.

1878-Stevenson (J. J.). Map to show limits of the Upper Coal Measures in Ohio, north from Central Ohio R. R.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 209. Columbus, 1878.

In black, with a dotted line showing the western and northern boundary of the Pittsburgh coal.

434.

1878-Weat (A. W.). Map of Medina County.

Accompanying "Geological survey of Ohio." Geology. Vol. III, p. 363. Columbus, 1878.

435.

1879-Newberry (J. S.), Andrews (E. B.), Orton (Edward), Read (M. C.), Gilbert (G. K.), Winchell (N. H.), and Hill (F. C.). Geological map of the State of Ohio.

Accompanying "Geological survey of Ohio." Atlas folio. New York, 1879. Six sheets, forming a geological atlas of the State of Ohio. Published by authority of the legislature.