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Blog Posts by Subject: Geology

Profiles and sections of the city (a worm’s-eye view?)

“Cartographic materials” and “cartographic resources” are phrases that we use in the map library world to describe a whole gamut of map-like information sources. Elevation profiles and geologic sections are particular types of cartographic materials that represent vertical planes, perpendicular to the earth’s surface, in contrast to the typical horizontal-surface representations commonly referred to as maps. Here are a couple of examples from the NYPL Digital Collections that show the added dimension that profiles can provide for an understanding of the New 

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