There are about three Google hits that even mention its existence, with essentially no information about the language itself. It appears it was developed by GE, for applications FORTRAN wasn't suited for, in the 1960s.
It ran on the GE-635 computer, "a 36-bit mainframe computer built in the 1960s and was known for running the Dartmouth Time Sharing System, the first successful large-scale time-sharing operating system to be implemented."