Mystery Marking ...age?

albina at hopkins, NE corner, berkeley

Hanson Concrete Products?

1006 ventura

Mystery Marking

can't tell if this says HEFF NR or HEEP NR, or something else...
905 cerrito

Unknown Contractor

731 adams


1740 san pablo


1512 rose, berkeley


NW corner of monterey and posen


2407 fourth st., berkeley



2228 san pablo, berkeley


941 stannage
I know that G. Tribuzio was Concrete Master #1, and Ed Doty was #17, but I have yet to figure out who was #5.