AUGUSTA — Cars with Maine loon license plates are getting free admission this weekend to all Maine state parks and historic sites.

The Conservation Department says it’s opening the gates to those cars as a way of saying thanks, because Maine loon plates support conservation and wildlife efforts in the state.

The offer applied at the state’s 48 state parks and historic sites Saturday and today.

Since the program’s inception by the Maine Legislature in 1993, more than $17 million in loon plate proceeds has gone to the Maine Department of Conservation and the Maine Department of Inland Fisheries and Wildlife.

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