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<br />..-.. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />C. Modified Lang/Stanton Flood Intensity Scale <br /> <br />Flood <br />Magnitude <br /> <br />Results <br /> <br />lO-Year Flood <br /> <br />Limited lowland flooding <br /> <br />Channel and bank erosion <br /> <br />- Secondary bridges blocked <br /> <br />- No state or federal flood disaster <br />declaration <br /> <br />50-Year Flood <br /> <br />- All lowlands flooded <br />- Low "loss of life" potential <br />- Residential and commercial structures <br />inundated <br />- Secondary roadways overtopped <br />- Secondary bridges and culverts washed-out <br />- Damage to primary bridge abutments <br />- State flood emergency/disaster <br />declaration likely <br />- No Federal flood disaster declaration <br /> <br />lOa-year Flood <br /> <br />- Floodplain completely inundated <br />- High "loss of life" potential <br />- High property damage <br />- All rural roadways overtopped <br />- Primary bridges and culverts washed-out <br />- Transportation network closed <br />- State and Federal flood disaster <br />declaration likely <br /> <br />lOOO-year Flood <br /> <br />- Flooded areas beyond imagination <br />- Total destruction of property <br />- Considerable loss of life <br />- Major catastrophe <br /> <br />-2- <br />