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21741. Topographic sheets. California, Modoc Lava-bed sheet, lat. 41°-42°, long. 121°-122°. Scale 1:250,000, contour interval 200 ft.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Edition of Mar. 1892, reprinted Jan. 1899

21742. Topographic sheets. California, Santa Ana sheet, lat. 33° 30′-33° 45′, long. 117° 45′-118°. Scale 1:62,500, contour interval 25 ft.

Corporate/Agency Authors:: Geological Survey
Publisher:: Geological Survey
Date:: Edition of Sept. 1896, reprinted Jan. 1899

21743. Topographic sheets. California, Sierraville sheet, lat. 39°30′-40°, long. 120°-120° 30′. Scale 1:125,000, contour interval 100 ft.

Corporate/Agency Authors:: Geological Survey
Publisher:: Geological Survey
Date:: Edition of Sept. 1894, reprinted Jan. 1899

21744. Topographic sheets. California-Nevada, Wellington sheet, lat. 38° 30′-39°, long. 119°-119°30′. Settle 1:125,000, contour interval 100 ft.

Corporate/Agency Authors:: Geological Survey
Publisher:: Geological Survey
Date:: Edition of Nov. 1893. reprinted Jan. 1899

21745. Topographic sheets. Georgia-Alabama, Rome quadrangle, lat. 34°-34° 30′, long. 85°-85° 30′. Scale 1:125,000, contour interval 100 ft.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Edition of Jan. 1899

21746. Topographic sheets. Idaho, Rocky Bar sheet, lat. 43° 30′-44°, long. 1157-115° 30′. Scale 1:125,000, contour interval 100 ft.

Corporate/Agency Authors:: Geological Survey
Publisher:: Geological Survey
Date:: Edition of Apr. 1894, reprinted Jan. 1899

21747. Topographic sheets. Illinois-Missouri, St. Louis sheet, lat. 38° 30′-38° 45′, long. 90°-90° 30′. Scale 1:62,500, contour interval 20 ft.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Edition of Nov. 1893, reprinted Jan. 1899

21748. Topographic sheets. Maryland, Annapolis sheet, lat. 38° 45′-39°, long. 76° 15′-76° 30′. Scale 1:62,500, contour interval 20 ft.

Corporate/Agency Authors:: Geological Survey
Publisher:: Geological Survey
Date:: Edition of July 1892, reprinted Jan. 1899

21749. Topographic sheets. Maryland, North Point sheet, lat. 39°-39° 15′, long. 76° 15′-76° 30′. Scale 1:62,500, contour interval 20 ft.

Corporate/Agency Authors:: Geological Survey
Publisher:: Geological Survey
Date:: Edition of July 1893, reprinted Jan. 1899

21750. Topographic sheets. Massachusetts, Worcester sheet, lat. 42° 15′-42° 30′, long. 71° 45′-72°. Scale 1:62,500, contour interval 20 ft.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: Edition of Apr. 1892, reprinted Jan. 1899

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