The ultimate manhole covers site
, plastic (composite materials)
or concrete
, and their shapes are rectangular
, circular
or oval
.
, communications - CATV
, electricity - ELECTRIC
, and others.
.
.
0 are best covers)
San Francisco, CA (7)
,
Burbank CA (4)
,
Berkeley, CA (2)
,
Charlotte NC (2)
,
Healdsburg, CA (1)
,
Manhattan Beach, CA (1)
,
North Hollywood (LA) CA (1)
,
Toluca Lake (LA) CA (1)
SFPUC (6)
,
EBMUD (2)
,
MCI Communications (2)
,
AboveNet/MFN (1)
,
Crown Castle (1)
,
Healdsburg Municipality (1)
,
Southern California Edison (1)