Genesis of an Artifact Layer: Natural and Cultural Processes at the La Playa Archaeological Site, Sonora, Mexico - Reconstructing Human-Landscape Interactions: Interpreting Desert and Fluvial Environments - page 26

Fig. 4 Image of the Los Monticulos area where the artifact layer is distributed. The limits of
distribution are noted by the thick, white lines. Points define the locations of where the
artifact layer was examined and stratigraphic sections measured. Satellite image source:

DigitalGlobe

The GPS coordinates for each location were downloaded and imported into
Manifold GIS software. An elevation contour map of the artifact layer and a
thickness contour map of the overlying sediment were constructed to define the