256.112	Mine map repository established in office of state geologist — contents to be maps of closed or abandoned underground mines. (8/28/1993)
256.115	State geologist to acquire maps — owners or operators of underground mines closed permanently or temporarily to furnish true copies, when, contents. (8/28/1993)
256.117	Funding for operation of map repository from document services fund — money from sales of maps or products deposited in fund. (8/28/2013)