City Loop grades and curves diagram
From the 1989 Grades and Curves book.
January 25, 2019 10:18 AMViewed 15 times
(15 times this week, 15 times this month)
Project Phoenix map from 1950 showing the proposed City Loop
January 25, 2019 10:14 AMViewed 320 times
(320 times this week, 320 times this month)
Viewed 27 times (27 times this week, 27 times this month)