cell_id,lat,lon,pop
ZC_01,19.4334,-99.1322,1200
ZC_02,19.4318,-99.1339,950
ZC_03,19.4347,-99.1351,800
ZC_04,19.4309,-99.1311,700
ZC_05,19.4360,-99.1405,1100
ZC_06,19.4298,-99.1368,600
ZC_07,19.4382,-99.1450,900
ZC_08,19.4355,-99.1289,750