992 resultados para Superior (Washtenaw County, Mich. : Township)--Maps
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Left to right: Res. of Lambert Dresselhouse, Sec. 20, Freedom Tp. Mich.; Res. of Mrs. R.W. Comstock, Sec. 22, Sharon Tp. Mich; Res.of Henry Uphaus, Sec. 19, Freedom Twp. Mich.; Res. of James Winton, Sec. 31, Freedom Tp. Mich., fruit grower & dealer in small fruit plants and evergreen trees; Res. of John G. Feldkamp, Sec. 11, Freedom Tp. Mich.; Res. of Wm. F. Pficenmaier, Sec. 3, Freedom Tp. Mich.; Res. of Ernst G. Haarer, Sec. 29, Freedom Tp. Mich.; Res. of Joseph Weis, Sec. 34, Freedom Tp., Mich. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Penciled notation: nc13 (color). Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Left to right: Res. of C.G. Leeman, Sec. 2, Sharon Tp. Mich.; Res. of F. Everett, Sec. 2, Sharon Tp. Mich.; Res. of Jacob Haselschwardt, Sec. 16, Sharon Tp. Mich.; Res. of Elisha Freer, Sec. 17, Sharon Tp. Mich.; Res. of A. High, Sec. 31, Sharon Tp. Mich. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Drawn & Compiled by Cyrus Wheelock. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Compiled & Drawn by P. H. Dowling. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Left to right: Res. of Orange Risdon, Sec. 1, Saline Tp. Mich.; Res. of Andrew Bush, Sec. 3, Saline Tp. Mich.; Res. of Dudley Miller, Sec. 24, Saline Tp. Mich.; Saline Exchange, A. Harmon Prop, Saline, Mich.; Res. of Abram Davenport, Sec. 36, Saline Tp. Mich.; Res. of Milton Reynolds, Sec. 22, Saline Tp. Mich.; Res. of George Neissle, Sec. 12, Saline Tp. Mich.; Res. of Robert Hammond, Sec. 25, Saline Tp. Mich.; Res. of M. Himerdinger, Sec. 8, Saline Tp. Mich. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Left to right: Res. of Robert Shaw, Sec. 24, Saline Tp. Mich.; Res. of Aaron L. Feldkamp, Sec. 7, Saline Tp. Mich.; Farm residence of A.K. Clark, Sec. 14, Saline Tp. Mich.; Res. of A.K. Clark, Sec. 1, Saline Village, Mich.; Res. of Harvey Bennett, Sec. 1, Saline Tp. Mich.; Res. of George Osborn, Sec. 35, Saline Tp. Mich. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Left to right: Res. of Geo. F. Richards, Sec. 16, York Tp. Mich.; Res. of Selden Orr, Sec. 16, York Tp. Mich.; Res. of John Coe, Sec. 3, York Tp. Mich.; Res. of E. Pearson, Sec. 11, York Tp. Mich.; Res. of Geo. Coe, Sec. 8, York Tp. Mich.; Milan House, Lyman Burnham, Proprietor, Milan, York Tp. Mich. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Left to right: Res. of Addison Osborn, Sec. 32, Augusta Tp. Mich.; Res. of Hiram McCarty, Sec. 9, Augusta Tp. Mich.; Res. & saw mill of Geo. Moffit, Sec. 28, Augusta Tp. Mich.; Res. of Mrs. W.M. McGraw, Stony Creek P.O., Augusta Tp. Mich.; Res. of J.B. Olcott, Sec. 7, Augusta Tp. Mich.; Res. of Peter Dansingburg, Sec. 18, Augusta Tp. Mich. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Left to right: Res. of C. Parsons, Saline, Mich.; Res. of D.B. Green, Ypsilanti, Mich.; Res. of Justus Corwin, Sec. 17, York Tp. Mich.; Res. of Robert Howlett, Sec. 20, Lyndon Tp. Mich.; Res. of Wm. Basom, Sec. 2, York Tp. Mich.; Res. of Jay Everett, Sec. 2, sharon Tp. Mich. Publication information: Chicago, Ill. : Everts & Stewart, 1874.
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Left to right: Res. of J.T. Sullivan Esq., Sec. 27, Scio Tp., Mich.; Res. of Wm. C. Foster, Sec. 26, Scio Tp. Mich.; Res. of L.C. Risdon, Dealer in Hardware, No. 81 South Main St., Ann Arbor, Mich.; Res. of Dr. D.B. Kellogg, Ann Arbor, Mich.; Ann Arbor, Mich.; Res. of David Mowerson, Sec. 14, Ann Arbor Tp. Mich. Publication information: Chicago, Ill. : Everts & Stewart, 1874
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The primary challenge in groundwater and contaminant transport modeling is obtaining the data needed for constructing, calibrating and testing the models. Large amounts of data are necessary for describing the hydrostratigraphy in areas with complex geology. Increasingly states are making spatial data available that can be used for input to groundwater flow models. The appropriateness of this data for large-scale flow systems has not been tested. This study focuses on modeling a plume of 1,4-dioxane in a heterogeneous aquifer system in Scio Township, Washtenaw County, Michigan. The analysis consisted of: (1) characterization of hydrogeology of the area and construction of a conceptual model based on publicly available spatial data, (2) development and calibration of a regional flow model for the site, (3) conversion of the regional model to a more highly resolved local model, (4) simulation of the dioxane plume, and (5) evaluation of the model's ability to simulate field data and estimation of the possible dioxane sources and subsequent migration until maximum concentrations are at or below the Michigan Department of Environmental Quality's residential cleanup standard for groundwater (85 ppb). MODFLOW-2000 and MT3D programs were utilized to simulate the groundwater flow and the development and movement of the 1, 4-dioxane plume, respectively. MODFLOW simulates transient groundwater flow in a quasi-3-dimensional sense, subject to a variety of boundary conditions that can simulate recharge, pumping, and surface-/groundwater interactions. MT3D simulates solute advection with groundwater flow (using the flow solution from MODFLOW), dispersion, source/sink mixing, and chemical reaction of contaminants. This modeling approach was successful at simulating the groundwater flows by calibrating recharge and hydraulic conductivities. The plume transport was adequately simulated using literature dispersivity and sorption coefficients, although the plume geometries were not well constrained.