Figure 1. A). Aerial photograph of part of Three Creeks area. Some tidal flat subenvironments are labeled. B) Oblique aerial photograph of part of the Three Creeks area. Some tidal flat subenvironments are labeled. Sp = mangrove pond, br = beach ridge, lv = levee, lam = low algal marsh. C) Landsat TM rgb color image of study area. Black rectangle encloses the area of upper left aerial photo. D) Classified image from study area. Each color represents a spectrally distinct class. Black square is area of upper left aerial photo. Note that there is a good relationship between spectral classes and subenvironments observed on aerial photographs.