<Tr> <Th_colspan="2"> Significant dates </Th> </Tr> <Tr> <Th> Added to NRHP </Th> <Td> June 22, 1970 </Td> </Tr> <Tr> <Th> Designated NHL </Th> <Td> June 23, 1986 </Td> </Tr> <Tr> <Th> Designated RTHL </Th> <Td> 1964 </Td> </Tr>

Where did the pink granite used to build the state capitol in austin come from