IMPRESSION AND SURFACE FOOTPRINTS AND WHAT THEY REVEAL ABOUT WALKING PATTERNS ARE EXAMINED. CHARACTERISTICS WHICH SHOULD BE EXAMINED IN TIRE IMPRESSIONS ARE ALSO EXPLORED. PLASTER CASTING TECHNIQUES INCLUDING MAKING AND REMOVING CASTS AND CASTING ON IRREGULAR SURFACES SUCH AS POWDERY SUBSTANCES AND SNOW ARE REVIEWED. A DISCUSSION GUIDE AND SUPPLEMENTAL READING SUGGESTIONS FOLLOW THE TEXT.