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Show 2 ! Pirst Lieut. Rogers Birnie, jr., Thirteenth Infantry, assisting lieutenant Marshall upon field astronomical and geodetic computations, and in immediate charge of topographical room. First Lieut. C. 0. Morrison, Sixth Cavalry, in charge of topographical work, ( until relieved by Lieutenant Macomb, April 24,1876,) special charge of instruments and instrument record, preparing tables of distances, executive report. First Lieut. O. W. Whipple, Ordnance Corps, in charge of draughting work until relieved. Second Lieut. M. M. Macomb, Fourth Artillery, in charge of draughting work since April 24, 1876, relieving Lieutenant Morrison., Acting Assistant Surgeon H. 0. Yarrow, United States Army, superintending publication of Volume V, ( zoology,) examination and classification of collections in natural history, report of operations special field party. Acting Assistant Surgeon J. T. Rothrock, United States Army, examination and classification of botanical collections, preparation of report special field party, preparation of MSS. for Volume VI, ( botany.) Hospital Steward T. V. Brown, United States Army, meteorological computations. Dr. F. Kampf, astronomical observer, in computations for latitudes and longitudes. Messrs. George El. Birnie, F. Carpenter, F. A. Clark, W. A. Cowles, Anton Karl, F. O. Maxson, L. Nell, J. C. Spiller, and G. Thompson, ( topographers,) reductiou and plotting of field- notes. George M. Dunn, F. M. Lee, and William C. Nibiack, and Privates Looram and Kirkpatrick, Battalion of Engineers, ( barometric recorders,) in computation of field observations. Jules Marcou, A. B. Conkliug, and D. A. Joy, ( geologists,) preparation of reports. Dr. O. Loew ( mineralogist and chemist,) analysis of collections and preparation of reports. H. W. Henshaw, ( ornithologist,) identification and classification of collections and reports thereon, and assisting in publication of Volume V. Sereno Watson, ( botanist,) and F. W. Putnam, ( ethnologist,) examination of collections, and reports thereon. Charles Herman, J. C. Lang, E. Mahlo, and J. E. Weyss, ( draughtsmen,) preparation of maps tor publication. F. Klett, George M. Lockwood, and J. D. McChesney, correspondence and records, money and property accounts, reports, returns, distribution of reports and maps, & c, & c. A general summary of the more prominent features of field and office operations is given below. FIELD. Sextant latitude- stations Bases measured Triangles about bases measured Main ti iangulation- stations occupied Secondary trianguiation- stations occupied. Three- point stations occupied - - Camps made Miles meandered Miles traversed, not meandered Stations on meanders .. Magnetic variations observed Monuments built Cistern- barometer stations occupied Aneroid stations occupied 102 6 50 111 273 436 825 9, 403.3 4, 799.9 835 222 237 707 5,553 |