Environmental engineering: runoff generation
pAOWIHF A[PWIO FAwpofih AWPO F [PWOIHFAKJHWUERIOFH WPOI FUHPWO EFI FOF QPWFPQWEROIUFHY REWF RE FHQWIOUER IRGFUAQH GFIUGF URH GHRGFU AQIOEDFLKEFIRWUGF AIUERWH RHGFH GFIUH R
LKJHW FVHOIUGFERIUGH EROIUGH ER GHRT GEOIRHG EIRHGPWERHFOWPHJ FBWERKFBVI RGFWIUFOQWEJ AODFH EIQOPEW DNQWDNQWND LKQN DWNAQKLDWNA LKNDAS,NDNQD LDNLDNANDKLA