More of San Gregorio Farms in the 1970s…
…and its main crop, the agricultural earthworm 
The bins were filled with the hybrid earthworms (and soil, of course)
Photos: Below: Pouring cement for a new floor in one of the farm’s barns. 
Center: 
Beautiful view of the San Gregorio Ranch in the 1970s, today part of POST (Peninsula Open Space Trust).
Bottom: Walking along peaceful Stage Road: 