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Map showing the Union Iron Works property : magnetic iron ores, Patrick County, Virginia

to accompany report of C. R. Boyd, Geologist. April, 1891.
Format
Online; Map; Manuscript
Description
1 manuscript map ; 73 x 55 cm.
Mathematical info
Scale [ca. 1:3,600].
Published
1891.
Notes
Relief shown by contour lines and spot heights.
Smaller map in lower left corner (separate scale): 4840 acres. Survey by M. G. Lawson, 6th Octor. 1857.
Table: Analysis of ores by Booth, Garrett, & Blair of Phila, Pa.
Note at lower right: No titanium has been found so far in these ores. The probable quantity of ore above local water level is about 600,000 tons of 2240 lbs. The cost of mining and dellivering on cars at mines will be 70 cents per ton. C. R. Boyd.
Local Notes
SPECIAL COLLECTIONS: Linen-backed.
Technical details
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