I finally found 310 and 307. They were in a strung out group of about 300 cranes just about 2 miles from where they were released.
If you look real close you can see the color on the right leg on the bird to the left and on the adult to the right on the left leg. I did not notice the adult when I took the shot. Needless to say I was very excited when I looked at the photos on the computer at home.