I might have found the 2 and 10...
"There were only the two of them on the mountain flying in the euphoric, bitter air, looking down on the hawk's back and the crawling lights of vehicles on the plain below, suspended above ordinary affairs and distant from tame ranch dogs barking in the dark hours. They believed themselves invisible, not knowing Joe Aguirre had watched them through his 10x42 binoculars for ten minutes one day..."
I hope that's right 'cause I wanted to give you this one. 16.9