2707 21st Avenue
J. Mottino marks with dates are very scarce.

3549 Granada Avenue
This can be none other than L. M. Rasmussen leaving this creatively abbreviated mark tucked in the corner of a driveway.

Mirasol Avenue at Granada Avenue
Either Mr. Bohannon was tired and confused, or a bumbling assistant did this.

3425 Mirasol Avenue
D. D. Bohannon did several of the lots on this street, using this hand-drawn mark. First time I’ve come upon his name.

1278 Bates Road
I tried to read it as a version of A. Nilsson, but I think it really is another Nelson, perhaps Albert.