The money in the fund shall be available to the department, upon appropriation by the Legislature, solely for purposes of paying administrative costs incurred in carrying out the program, for the acquisition, development, use, and enhancement of heritage corridor sites within the state heritage network both within and without the state park system, and, in regard to sites not within the state park system, for matching grants, not to exceed 60 percent state funding, to local agencies, other state agencies, federal agencies, and nonprofit organizations.