Revised August 1999
Errata: We are aware of the following errors in the printed guidebook. The files available below have been updated.
On page 111 (Chapter 8) the Internet link deq - state.mi.us/lwm/water_mgmt/thr/download.html should be www.michigan.gov/deq/0,1607,7-135-3313_3684_15299-11304--,00.html.
On pages 111 and 112 (Chapter 8) h in equations 37 and 38 is the head of the energy gradient above the crest.
On page 111 (Chapter 8) Equation 37 should be C = 3.27 + 0.4h/P.
On page 133 (Chapter 9) the Internet link deq-state.mi.us/lwm/water-mgmt/hsu/hsu.html should be www.hec.usace.army.mil/software/.