EXPLANATION OF PLATE 3.

Topographic map of the Emeryville Shellmound. Contour intervals 5 feet. Scale: 1 inch = 60 feet.


UNIV. CAL. PUB. AM. ARCH. &. ETH. VOL. 7, PL. 4

EXPLANATION OF PLATE 4.

Fig. 1. Cross section of the western foot of Emeryville Shellmound, showing the extent of the excavations. Scale: 1 inch = 19.4 feet.

1. Alluvial clay. 2. Thin gravel layer. 3. Basement clay, the stratum upon which the mound and the gravel layer rest.

Fig. 2. Cross section through the principal excavated portion of the western foot of the Emeryville Shellmound, illustrating the stratification of the deposits. Scale: 1 inch = 6.46 feet.

I-X, Recognized strata of the mound.