4-H Grows at Camp Bob Marshall! Come learn more about yourself and 4-H at Camp Bob Marshall located in the beautiful Black Hills. Camp is open to all youth (regardless of 4-H enrollment) ages 8-12 as of Jan. 1, and costs $125 per camper. Session 1: June 16 – 19 Session 2: June 19 – 22 Session 3: June 22 – 25 Contact Katherine Jaeger, SDSU Extension Youth Outdoor Education Field Specialist, or your local 4-H office for more information!