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Topic title says mostly all. As part of my study regimen in preparation the October 2012 exam I've been working problems from the Sample Questions and Solutions offered by the NCEES (Water Resources & Env. Depth): http://www.ncees.org...als.php?exam=PE To anyone who has recently taken the...

Hello Friends, I'm using the CERM 12th Edition (1st printing), and believe that Equation 20-11 (Hydrology - Time of Concentration from Watershed Lag Method) is correct in it's original form and that the following erratum posted on PPI's website is wrong. The equation is for tc (Time of...

Hopefully the topic title is somewhat indicative of my question/dilemma... I've begun a program of study for the October exam (Env/WR PM) with these two primary references, and from what little I've already covered it appears that: (a) Goswami's All-in-One, while being more approachable and...