It says thusly:
This memorial is the property of the State of Colorado
Commemorating the route of the
Platte River Trail
Principal route of Colorado Pioneers
Trail of Major S.H. Long in 1820
Trappers’ trail of 1830s and 1840s
The 1858-9 route of goldseekers with
pick and pan. Homeseekers in covered
wagons, bullwhackers with ox teams,
stagecoaches with treasure and mail
The path that became an empire.
The State Historical Society of Colorado
The Mrs. J.N. Hall Foundation
State Civil Service Employees of Colorado
B50 Note: This historical marker is located at 5200 Brighton Boulevard, at the intersection of Brighton and York.