(1) laying out of grave plots, and the digging and making up of graves;
(2) interment in graves and vaults;
(3) maintenance of graves;
(4) fees, charges, and means of defraying expenses for grave plots, burials, and maintenance of graves;
(5) keeping of records of burials and maps of graves and grave plots; and
(6) such other matters as may be incident to the operation and maintenance of cemeteries.