page 2, correct equation 3 to: dc = (q2/q)1/3
Page 8, table 1, replace "Converging wall length" column values with the following:
page 8, table 1, table notes defining the gage point location, Hc, should be changed to: "Hc located distance from crest for WT < 1.0 foot, and feet from crest for WT> 1.0 foot."
page 8, table 1, table notes defining the gage point location, Hc, should be changed to: "Hc located 
distance from crest for WT < 1.0 foot, and 
feet from crest for WT > 1.0 foot."