Ralph Heath teaches a course for the USGS Water Resources Division Training School in 1970.
Ralph Heath teaches a course for the USGS Water Resources Division Training School in 1970. PHOTO COURTESY OF SUE JOHNSON
Ralph Heath teaches a course for the USGS Water Resources Division Training School in 1970. PHOTO COURTESY OF SUE JOHNSON

Life Stories: Because of Ralph Heath’s work, clean water flows for millions

January 25, 2015 5:18 PM