1948. This is one in a series of 455 mid 20th century fire insurance maps produced by the Fire Insurance Rating Organization of New Jersey. Municipal Fir...
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1916. Map covers area from Cooper River to Pennsauken Creek. Map shows the various numbered properties in Merchantville.
1143. Lower and Middle Precambrian stratigraphic nomenclature for east-central Minnesota, RI-21, Plate 1
1978. Morey, G.B. Generalized interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of east-central Minnesota, ... Minnesota Geological Survey.
1944. This is one in a series of 455 mid 20th century fire insurance maps produced by the Fire Insurance Rating Organization of New Jersey. Municipal Fir...
1970. Green, John C., 1932-. Generalized interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Central part of Vermilli... Minnesota Geological Survey.
1970. Green, John C., 1932-. Lineament (features that form a line) map of Gabbro Lake Quadrangle, Lake County, Minnesota, scale 1 inch = about 1.5 miles. Minnesota Geological Survey.
1970. Green, John C., 1932-. Summary of top-direction (identification of the tops of volcanic lava flows, characteristics that can be used for the identification of lava flow t... Minnesota Geological Survey.
1944. This is one in a series of 455 mid 20th century fire insurance maps produced by the Fire Insurance Rating Organization of New Jersey. Municipal Fir...
1949. This is one in a series of 455 mid 20th century fire insurance maps produced by the Fire Insurance Rating Organization of New Jersey. Municipal Fir...
1919. Broderick, T.M. and Grout, Frank F. (Frank Fitch), 1880-1958. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Eastern Mesabi District, Minneso... Minnesota Geological Survey.