... riverine flora and fauna. FIGURE ES- 8 Montgomery Middle Wall Gallery Crack ... 4.3.6 Other EDM Condition Assessment Reports ...................................... 4-18.. 2.12 Illustration of the Crack Face “Clapping” Phenomena that is the Basis for Subharmonic. Generation ... 2) Very hard to find the tip for depth sizing, only possible if inspector knows in witch depth region he ... C.4.3.6 Inspection Technique.. Swamp NWR has the largest forested patch in this conservation zo