Complex sentence: Bedell states that the park reappeared on the maps after its decommissioning, but has since reverted to secrecy, but it is listed on the Connecticut Department of Energy and Environmental Protection website.
Split into simpler sentences: Bedell states that the park reappeared on the maps after its decommissioning, but has since reverted to secrecy. This claim is countered by it being listed on the Connecticut Department of Energy and Environmental Protection website.