"We see the unusual formation of the ever-changing surface of our earth...the beautiful caves of Virginia and New Mexico with their stalagmites and stalactites, the wind-blown, water-worn mountains and rocks of the southwest and glacial formed lakes and valleys. using animation, we explain how these wonders of nature were formed." --AV-ED FIlms 1260 A: A-Roll 1260 B: B-Roll 1260 C: B/W dupe negatve 1260 D: A-Wind neg. dens trk 1260 E: Interneg. 1260 F: Composite print