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Showing 1 - 5 results of 5 for search '"Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;"', query time: 1.35s Refine Results
1
Lead and zinc ores in Lancaster County, Pennsylvania /
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”

Book
2
Lead and zinc ores in Bucks County, Pennsylvania /
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”

Book
3
Zinc ores at Friedensville, Lehigh County, Penna. /
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”

Book
4
Lead and zinc ores in Blair County, Penna. /
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”

Book
5
Lead and zinc ores near Phoenixville, Chester County, Pennsylvania /
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”

Book
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