Yesterday was our hottest day in Texas. We considered putting on our air conditioner in the trailer but we knew a cold front was coming in and by the time we went to bed the temperature had dropped to 70 and was 60 by the morning. Check out the thermometer in our trailer in this picture. Not much difference from inside to outside. I spent most of the day at the pool. Today Don and I went on a Tour of the La Sal Del Rey Wildlife Tract. This is a tour offered by the Valley Nature Centre with the US Fish and Wildlife Service. We had to be at the Santa Ana National Wildlife Refuge at 7:30 AM. We were loaded in a 12 passenger van and drove with a park naturalist for an hour north to one of 3 natural salt lakes. El Sal Del Rey, Spanish for "Salt for the King" was first located by the Spaniards in 1697 and quickly claimed for the king. They harveste d salt here that was hauled out by ox carts to the Gulf, into Mexico as far away as Mexico City, and to all the Missions in Texas. Sal...