Does 'The Black River, at 71 km (44 miles), is the longest in Jamaica; it was an arterial route used to transport rum and lumber from the inland plantations.' hold a position of neutrality in relation to 'The Black River is measured at seventy-one kilometers in length.'
The Black River, at 71 km (44 miles), is the longest in Jamaica; it was an arterial route used to transport rum and lumber from the inland plantations.###The Black River is measured at seventy-one kilometers in length.