City of Boulder:
Silver Lake in winter
City of Boulder:
Wheeler & fish
City of Boulder:
Primos Mill
City of Boulder:
Barker Dam & Reservoir, 1911
City of Boulder:
Barker Dam under construction
City of Boulder:
First city reservoir
City of Boulder:
Second city reservoir excavation
City of Boulder:
Second city reservoir completed
City of Boulder:
Arapahoe Glacier
City of Boulder:
Welcome to Boulder
City of Boulder:
Boulder the Place to Live
City of Boulder:
Boulder Hydro Interior, 1924
City of Boulder:
Arapaho Glacier
City of Boulder:
Ditch laterals
City of Boulder:
Ditch laterals
City of Boulder:
Ditch laterals
City of Boulder:
Farmers Ditch
City of Boulder:
Aerial, South Boulder
City of Boulder:
First Chautauqua Reservoir
City of Boulder:
Lakewood Building
City of Boulder:
Lakewood Building
City of Boulder:
James P. Maxwell
City of Boulder:
Flood
City of Boulder:
Ephraim Pound
City of Boulder:
Silver Lake Ditch flume
City of Boulder:
Watershed entrance
City of Boulder:
Betasso Interior
City of Boulder:
Surge Chamber
City of Boulder:
Silver Lake Survey Team
City of Boulder:
Barker Meadows