Interactive map selection - Choose a littoral sub-cell to explore:

Figure 4a - Locations in North Beach sub-cell of Columbia Littoral Cell	Figure 4b- Locations in Grayland Plains sub-cell of Columbia Littoral Cell	Figure 4c - Locations in Longbeach sub-cell of Columbia Littoral Cell	Figure 4d - Locations in Clatsop Plains sub-cell of Columbia Littoral Cell