You are looking on one 8 1/2" by 11" 55 Page softcover copy of "NASA LITERATURE SEARCH" (search number 40623)Remote sensing and geographical, geological, or geophysical data,printed inMarch 29, 1979.This item is in good condition. All pages are tight with some blue hilighting of many of the pages.Contains a search from 1968 to 1979. Add this to your collection today. Thanks for Looking.A7***Powered by eCRATER
