1924. Sanborn Map Company. [ca. 1:600] Fire insurance map hand colored to show building construction, locations of windows and doors, elevators, and available water facilitie... Sanborn Map Company.
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1893. Sanborn Map Company. Scale 1:600. 50 ft. to 1 in. Sheet 1 includes symbol key, index, index map, and certification signatures. Partial cadstral map. Fire insurance map ... Sanborn-Perris Map Co.
1899. Sanborn Map Company. Scale 1:600. 50 ft. to 1 in. Sheet 1 includes symbol key, index, and index map. Partial cadastral map. Fire insurance map hand colored to show buil... Sanborn-Perris Map Co.
1922. Sanborn Map Company. Scale ca. 1:600. Sheet 1 includes symbol key, index, and location and index maps. Partial cadastral map. Fire insurance map hand colored to show bu... Sanborn Map Company.
1910. Sanborn Map Company. Scale 1:600. 50 ft. to 1 in. Sheet 1 includes symbol key, index, and index map. Partial cadastral map. Fire insurance map hand colored to show buil... Sanborn Map Company.
2010. National Geophysical Data Center. This map layer shows isogonic lines (lines of constant declination of the Earth's magnetic field), derived from the International Geomagnetic Refer... National Atlas of the United States.
2010. National Geophysical Data Center. This line shapefile shows lines of equal horizontal intensity of the Earth's magnetic field, derived from the International Geomagnetic Reference F... National Atlas of the United States.
2010. National Geophysical Data Center. This shapefile shows isoclinic lines (lines of constant inclination of the Earth's magnetic field), derived from the International Geomagnetic Refe... National Atlas of the United States.
2010. National Geophysical Data Center. This map layer shows isoporic lines (lines of equal annual change, or secular variation, in the declination of the Earth's magnetic field), derived... National Atlas of the United States.
2010. National Geophysical Data Center. This line shapefile shows lines of equal annual change (secular variation) in the horizontal component of the total field intensity of the Earth's ... National Atlas of the United States.