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Object
Building or Place
NPS Code
Address
Number of Samples
Repair edging from quadrant E2B in the East Wall
Sourced by Shixin Zhi on March 6, 2024.
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Repair plaster applied to lower section of East wall on southeastern corner. May be similar in composition and same campaign as that observed in the abutment walls outside the Sacristy.
Sourced by Jose C. Hernandez on March 6, 2024.
0
A naturally occurring argillaceous (clay-rich) limestone or dolomite found in the earth that, when mined, heated (calcined), and ground, creates hydraulic cement without needing additives. Natural cement rock was popularized in the 19th century as Rosendale cement. It sets quickly and hardens underwater, making it ideal for historic canals and fortresses.
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Stone from the south interior wall of the Fleisher Art Memorial Sanctuary in Philadelphia, Pennsylvania
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