Items marked by the tag "Polk County Iowa":

CODE: CD-IA-19153-2nc2004

CODE: CD-IA-19153-2nc2005

CODE: CD-IA-19153-1nc2006

CODE: CD-IA-19153-2nc2007

CODE: CD-IA-19153-1nc2009

CODE: SM-1901180

CODE: SM-1901630

CODE: SM-1902305

CODE: SM-1907390

CODE: SM-1910765

CODE: SM-1921000

CODE: SM-1924735

CODE: SM-1939765

CODE: SM-1957675

CODE: SM-1963525

CODE: SM-1964020

CODE: SM-1969240

CODE: SM-1970995

CODE: USGS-IA-19153

CODE: SM-1986250