Resource Type: Geological maps - GeoBlacklight Search Results

681. Map of the states of Michigan and Wisconsin: embracing a great part of Iowa and Illinois, and the whole mineral region with a chart of the lakes. exhibiting the sections, the geological formations, and the general topography; compiled from the state topographical department, from the latest United States surveys, and from other authentic sources, by John Farmer of Detroit.; Alternate title: Geological map of the mineral region: from the official plate of the United States surveys and chart of Lake Superior reduced from the survey and chart of Lieut. Bayfield of the R.N.

1852. Bayfield, Henry Wolsey, 1795-1885 and Farmer, John, 1798-1859. Shows the Lake Superior region. Relief shown by hachures; depths shown by soundings. "Engraved by J. Farmer." "Entered according to act of Congress...

682. Map of Warren County, Indiana /prepared for the 5th annual report of Prof. E.T. Cox, State Geologist, 1873 ; geology by John Collett.

1874. Relief shown by hachures.; Shows cities and towns, operating and proposed railroads, prairies, test bores, deposits of iron ore and mill stone grit... [Sentinel Company printers].

683. Map of Wayne County, Michigan, showing hard rock geology and artesian well conditions Geological and Biological Survey of Michigan.

1913. Michigan. Geological Survey Division. Relief shown by contour lines and spot heights. Shows geology and artesian conditions, cultural features such as transportation routes, boundaries,...

684. Map of Wayne County Michigan showing surface features Geological and Biological Survey of Michigan.

1913. Michigan. Geological Survey Division. Publication XII, Geological series 9, plate X. Relief shown by contour lines and spot heights. Contour interval 20 feet. Shows surface features, cu...