We're traveling later this week. I'll be looking down for urban utilities in every street wherever.
Sunday
bell telephone manhole cover rain
Monday
rose logo water valve cover rain
Tuesday
sewer manhole cover yard
Wednesday wikipedia 
airport outlet cover carpet fabric
Thursday
water backflow valve wheel sensor
Friday
peoria sewer cover cactus sunrise
Saturday
peoria bridge canal concrete
Location of photos on this page.
BOUNDARY 45.4123173, -122.8878254 BOUNDARY 45.6234595, -122.4784121 PAGE
BOUNDARY 33.4706139, -112.4615479 BOUNDARY 33.7087471, -112.0879644 PAGE
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Decorative Sewer Manhole Covers in Phoenix. post