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1. Map b of Baltimore and Harford counties

Maps University Of Maryland Public content
1839. Weber, Edward. Illustrated map of Baltimore and Harford counties, 1839. Map includes some geological information regarding the Chesapeake Bay shores. 49.3 x 34.6 ...

2. Map illustrative of Allegany and Washington counties

Maps University Of Maryland Public content
1840. Weber, Edward. Illustrative map of Allegany and Washington counties,1840. Includes a geological profile of the Cumberland and National roads. 46 x 20.1 cm; 1 imag...
1849. Foster, J. W. (John Wells), 1815-1873, Hill, S. W. (Samuel Worth), 1815-1889, P.S. Duval & Co., Schlatter, Wm. (William), and Whitney, J. D. (Josiah Dwight), 1819-1896. Relief shown by spot heights and hachures; depths shown by soundings. Shows mineral lands, mines, and furnaces. Appears in: Jackson, Charles T. Rep...

6. [Geology of the southern Michigan].

Maps University Of Michigan Public content
1850. [creator not identified]. Edges trimmed, possibly from a larger map showing railroads. Hand col. showing [geology?]. 1 map: col.; 28 x 25 cm.
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...

8. Outline of the geology of the globe.

Maps University Of Michigan Public content
1853. Hitchcock, Edward, 1793-1864. Relief shown pictorially. Includes diagramatic view of the world's major mountains and map of "supposed Antarctic continent." 1 map: col.; 46 x 59 cm.