Early Navigation System of acetylene torches on towers and concrete arrows
Beacons, arrows kept pioneer pilots from going astray in Nevada. In...em of beacons and arrows to literally light the way from state to state and coast to coast. I had no idea this even...Ttabs in the news - Geology speaker presenting aerial photos of ice age flood features
Looks like our own @Ttabs is in the news... Contributed Ice age lecture Central Wa...y DAILY RECORD STAFF | 0 comments Centr...