Before revision: 1958 : 70 724 URL 1970 : 90 940 URL Education In 1947 the Mariana Islands' Teacher Training School (MITTS), a normal school serving all areas of the Trust Territory, opened in Guam.Wuerch, William L. and Dirk Anthony Ballendorf.
After revision: 1958 : 70 724 1970 : 90 940 Education In 1947 the Mariana Islands' Teacher Training School (MITTS), a normal school serving all areas of the Trust Territory, opened in Guam.Wuerch, William L. and Dirk Anthony Ballendorf.