sciiMKcKEHiKK.] MONO( Ui AT'HS. 58 



ropulutidii, iiidustrirs, coiiiinuuications, irrit-utinii, and arUwian wrlls, p^i. 172- 

 210. 



Indiana, pp. 211-222. 



Land i-lassification, pp. 223-227. 



Appendix A. Special list of latitudes, longitudes^, altitudes, etc., of certain mili- 

 tary posts west of the 100th meridian, pp. 229-238. 



Appendix B. Description of atlas sheets, pp. 235-329. 



Appendix C Methods of surve_y, pp. .331-404, 4 illustrations. 



Appendix D. Notes on the survey and disposal of the public lands, pp. 405—413, 

 map. 



Appendix E. Considerations upon National (Government land and marine sur- 

 veys, p]i. 415-479, map. 



Ajjpendix V. ]\Iemoir upon the voyages, discoveries, explorations, and surveys 

 to and at the west coast of North America and interior of the Unite<l States 

 west of the Mississippi River, between 1500 and 1880, including later biblio- 

 graphical and other references to determine latitudes, longitud(^s, and altitudes 

 available for the basis of the permanent official topographic atlas of the 

 United States, pp. 481-512, 10 maps. 

 Part II. Epitome of Warren's Memoir, giving a I)rief account of. each of the 

 exploring expeditions since A. D. 1800, by Lieut. Gouverneur K. Warren, 

 corps of topographical engineers, U. S. A., pp. 513-597. 

 Part III. Explorations and surveys, 1857-1880, pp. 599-745. 



Appendix G. Synoptical table of contents of cpiarto rejiorts, in eight volumes, 

 including vol. iii. Geology (supplement), pp. 747-755. 



Synoptical list of maps, pp. 757-760. 



Appendix H. Geographic-topographic surveys west of the one hundredth meri- 

 dian, pp. 761-764. 

 Index, i)p. 765-780. 



II. Astronomy and barometric hypsometry. 1877. xiii, 571 pp, 15 11, 22 pis. 



Part I. Reports upon the astronomical determinations at main stations in Nevada, 

 Utah, Montana, Wyoming, Nebraska, Colorado, and New Mexico, occupied in 

 the years 1872, 1873, and 1874, by Dr. F. Kam])f, John H. Clark, Wm. W. 

 Maryatt, and Prof. T. K. Safford, pi>. 1-491, pis. 1-6. 



Part 11. Results in barometric hypsometry, obtained during the years 1871, 

 1872, 1873, 1874, and 1875, reported by First Lieutenant Wm. L. Marshall, 

 Corps of Engineers, U. S. Army, pp. 493-566, pis. vii-xxii. 



Index, pp. 567-571. 



III. Geology. 1875. 681 pp, 13 pis., and 4 II., containing tigs. 82, 101, 145, 167. 

 Part I. Report on the geology of portions of Nevada, Utah, California, and 



Arizona examined in the years 1871 and 1872, by G. K. Gilbert, 



A. M., pp. 17-187, pis. i-iii. 

 Part II. Report on the geology of route from St. George, Utah, to Gila River, 



Arizona, examined in 1871, ))y A. R. Marvine, pp. 189-225, pi. iv. 

 Part in. Report on the geology of portions of Utah, Nevada, Arizona, and New 



Mexico examined in the years 1872 and 1873, by I]dwin E. Howell, 



pp. 227-301, pis. v-vii. 

 Part IV. Report on the geology of a portion of Colorado examined in 1873, by 



Prof. John J. Stevenson, pp. 303-501. 

 Part Y. Report on the geology of portions of New Mexico and Arizona exam- 

 ined in 1873, by G. K. Gilbert, A. M., pp. 503-567, pis. viii-xii. 

 Part VI. Report upon mineralogical, agricultural, and chemical conditions 



observed in portions of Colorado, New Mexico, and Arizona in 1873, 



by Oscar Loew, Ph. D., pp. 569-661, pi. xiii. 

 Index, pp. 663-681. 



