Composition of basalts from the north part of the Bougault anomaly, Mid-Atlantic Ridge 15°N

A quantitative model of development of magmatic and ore-magmatic systems under crests of mid-ocean ridges is constructed. Correct physical models of melting zone formation in approximation to active spreading, non-stationary dynamics of magma intrusion from a center of generation, filling of magma chambers of various shapes, feeding of fissure-type volcanoes, and retrograde boiling of melts during solidification of intrusive bodies beneath axial zones of spreading in crests of ridges are proposed. Physicochemical and mathematical theories of disintegration of multi-component solutions, growth of liquational drops of ore melts, and sublimation of components from magmatic gases are elaborated. Methods for constructing physically correct models of heat and mass transfer in heterophase media are devised. Modeling of development of magmatic and ore-magmatic systems on the basis of the Usov-Kuznetsov facies method and the Pospelov system approach are advanced. For quantitative models numerical circuits are developed and numerical experiments are carried out.

North & Johnson, proprietors, Mt. Clemens, Michigan

Bird's-eye view of Egnew and Avery Hotels and bath house, Mount Clemens, Mich.

Main Street North from Liberty Street - Ann Arbor

Plates. 12 pts. in 1 v. Publication information: Chicago : The W. H. Parish publishing co., 1893. Digital image from copy neg in Stugis collection.

Ann Arbor (Mich.) residence and businesses, 1874

Left to right: Res. of Wm. P. Brown, Sec. 6, Ann Arbor, Mich.; J.G. Miller, Manufacturer of sash, doors, blinds, mouldings, scroll work &c. ... Ann Arbor, Mich.; Ann Arbor Steam Planing Mill , Bracket, Scroll & Fancy Sawing, cor. of North & Fifth Sts., Ann Arbor, Mich. (na8635); Marble Works & Res. of Anton Eisele, the largest marble works in Washtenaw Co. Mich.; City Market, G.F. Gwinner, cor. of Fourth & Washington Sts., Ann Arbor, Mich.; L.C. Risdon, 31 South Main St., Ann Arbor, Mich. (na8635; na6707). Publication information: Chicago, Ill. : Everts & Stewart, 1874.

North half the city of Ann Arbor published by Everts and Stewart [plat] [west one-half]

Scale 400 ft. per inch; drawn & compiled by F. Krause, C.E. Ann Arbor, Mich.Publication information: Chicago, Ill. : Everts & Stewart, 1874.

North half the city of Ann Arbor published by Everts and Stewart [plat] [east one-half]

Publication information: Chicago, Ill. : Everts & Stewart, 1874.

State St. and North University Avenues

On verso: Randall; 220 Woodward Avenue, Detroit, Mich. Photo includes people (some children). Lamppost prominent

Filtered light. From Diag to North University Avenue, early 1930s [with woman]

On negative sleeve: 2 prints (8x10) by Sam Sturgis

Prof's House, North University, West Residence

Originally West Professor's house on North University. Became Homeopathic Hospital. Wing added in rear of building in 1879. School of Dentistry 1875-1877. Psychological Lab 1903-1914. Building razed in 1914. On verso: Rear view, taken from campus side, looking across North University, where on the left-hand side ... Octagonal House, long owned by Alexander Winchell ... now site of Hill Auditorium ... taken before rear wing added to make it into the Homepathic Hospital.

Law Building. Univ. of Mich.

Jordan & Anderson, architects. Built 1863. Northwest corner of Diagonal on corner of State and North University. Served as Law School for sixty years; contained chapel until 1873 and library until 1883. Addition built in 1893 included tower. People on steps.