![]() 13th U.S. Census image courtesy of NARA ![]() NPS Photo Who had the more perilous occupation; a miner, or a mother? |
Last updated: March 16, 2018
![]() 13th U.S. Census image courtesy of NARA ![]() NPS Photo Who had the more perilous occupation; a miner, or a mother? |
Last updated: March 16, 2018