Replies

To: wendy1946

They look like cast in place poured concrete.

90 posted on 04/04/2011 7:51:12 PM PDT by 1010RD (First, Do No Harm)

To: 1010RD

Pouring diorite would be a technical capability beyond our own.

95 posted on 04/04/2011 8:36:14 PM PDT by wendy1946

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