It was the "Baby Doll",
Thanks for the info!
Cam across your photos surfing google maps street view. I climbed up into that building a few times around 1976. Except for the trees which I don't remember being there, it looked about like it does in the pics.An abandoned wreck outside and in. But apparently with strong bones, since it's still there. I'm surprised it hasn't been demolished by now. Looks like the drive in movie site is now a police station. Thanks for the pics.
not 100% sure this one is mapped correctly
Theres actually a petroleum pipeline under here. Thats why theres a clearing.
Area dries out completely in summer.