Isaacson, Frans S2022-07-262022-07-261970-06https://hdl.handle.net/11299/229688A Plan B Paper Submitted to the Faculty of the Graduate School of the University of Minnesota, Requirement for the Degree Master of Arts (Plan B), by Frans S. Isaacson, June 1970.en-USUniversity of Minnesota DuluthPlan Bs (project-based master's degrees)Master of ArtsMaster of Arts in Curriculum and InstructionDivision of Education and PsychologyA Proposed Course in Earth Science for the Eighth Grade at Cromwell, MinnesotaScholarly Text or Essay