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Baltimore 1890, Vol. 1, Sanborn page 77 (0035R)
Sheet 77 of 86 in the 1890 Sanborn fire insurance atlas of Baltimore, Maryland. Published by the Sanborn Map Company; held by the Library of Congress; no known copyright restrictions.
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What you are looking at
Each footprint is a building. Its colour is the construction material, the number inside is the storey count, and the words written across it are what the surveyor recorded the building being used for. Street names and house numbers run along the block faces; the figures beside the street lines are widths in feet, and the circles are hydrants.
If this is not your block, go back to the volume’s index sheet, find the number covering your street, and open that sheet.
Words worth looking up on this sheet
Fuel, solvents, metal and wood processing are the uses people search for when they are buying: filling stations, dry cleaners, foundries, gas works. The full glossary covers the abbreviations you will actually see.