A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
South Mountain area largely of granitic and volcanic rocks and sandstone; Great Valley limestone; in Central and Western Pennsylvania, sandstone and limestone are principal building stones; in Northern Pennsylvania, sandstones in general are rather thin bedded and break in slabs only 2 or 3 in. thick.
South Mountain area largely of granitic and volcanic rocks and sandstone; Great Valley limestone; in Central and Western Pennsylvania, sandstone and limestone are principal building stones; in Northern Pennsylvania, sandstones in general are rather thin bedded and break in slabs only 2 or 3 in. thick.
Pennsylvania building stones
Stone
Stone, R.W. (author)
Stone ; 49
1928
2 pages
3 Figs.
Article (Journal)
English
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Building stones of Pennsylvania
| Engineering Index Backfile | 1932
| Engineering Index Backfile | 1887
| Engineering Index Backfile | 1881
| Engineering Index Backfile | 1884
Engineering Index Backfile | 1928