Labels:text | diagram | line | font | plot OCR: 8000 7000 - 8000 5000 USGS dela Discharge (cubic feet por second) 3000 1902 1910 1920 1030 1940 1950 1960 1970 1990 Water yoar $ 11 230 Discharge of springs from the Snake River Plain Aquifer at Thousand Springs, showing response of the springs to irrigation diversions during the past 80 years.