[Maps of Philadelphia, Washington D.C., and Baltimore]

Map shows late nineteenth century street names, railroads, turnpikes, marshlands, docks, military facilities, parks, cemeteries, bridges, ferries, canals, and some buildings and businesses. Includes number key to points of interest on verso maps. Scale not given.
Date: [1880..1900]
Creator: unknown
Object Type: Map
System: The Portal to Texas History

Baltimore.

Map shows street names, railroads, street car lines, parks, cemeteries, select buildings, public institutions, docks, ferries, and some businesses. Includes index. Scale [ca. 1:27,000].
Date: [1880..1900]
Creator: unknown
Object Type: Map
System: The Portal to Texas History

[Maps of Philadelphia, Washington D.C., and Baltimore]

Map shows late nineteenth century street names, railroads, turnpikes, marshlands, docks, military facilities, parks, cemeteries, bridges, ferries, canals, and some buildings and businesses. Includes number key to points of interest on verso maps. Scale not given.
Date: [1880..1900]
Creator: unknown
Object Type: Map
System: The Portal to Texas History
The Gabbros and Associated Hornblende Rocks Occurring in the Neighborhood of Baltimore, Maryland (open access)

The Gabbros and Associated Hornblende Rocks Occurring in the Neighborhood of Baltimore, Maryland

From introduction: The present paper is intended as a contribution to our knowledge of a particular phase of metamorphism in eruptive rocks, i.e., that one which is dependent on the secondary development of hornblende by the paramorphism or pseudomorphism of pyroxene.
Date: 1886
Creator: Williams, George Huntington
Object Type: Report
System: The UNT Digital Library