surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. as...

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Page 1: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 2: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 3: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 4: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 5: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 6: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 7: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 8: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 9: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 10: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 11: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 12: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 13: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 14: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 15: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and
Page 16: surfaces such as concrete, asphalt, rooftops. and even packed soil, because it cannot soak in. As runoff glides over these smooth hard surfaces, it encounters no resistance and