DateRange CMAS TagValue -------------------------
1986-1988  10  waterway=stream
1986-1988  10  waterway=riverbank
1986-1988  10  natural=water
1986-1986  10  waterway=rapids
1984-1984  30  natural=wood
1974-1974  30  natural=wetland
1974-1974  -1  natural=peak
1974-1974  -1  natural=land
