For the first time ever, the Point Reyes National Seashore is providing supplemental water to the fenced tule elk herd on Tomales Point. The park announced last week that it had installed three 250-gallon troughs at the south end of the reserve that will remain there at least until the winter rains. Dave Press, the park’s wildlife ecologist, said there are still natural water sources for the herd, and that the move was made out…