152 



GEOLOGIC GUIDEBOOK ALONG HIGHWAY 49 



[Bull. 141 



Flo. 142. Schist slab house ruin, Louisville, DMBS Pla-H6. 



FIG. 143. Schist building foundations, Greenwood, DMBS Pla-H7. 



FIG. 144. Brick and schist building ruin, Auburn Ravine, DMBS Pla-H8. 



FIG. 145. Placer Herald and other brick buildings, Auburn, DMBS Pla-H9. 



