Suriet 1: 1979-09 - Worksite visit
Suriet 2: 1979-09 - Worksite visit
Suriet 3: 1979-09 - Worksite visit
Suriet 4: 1979-09 - Worksite visit
Suriet 5: 1979-09 - Worksite visit
Suriet 6: 1979-09 - Worksite visit
Suriet 7: 1979-09 - Worksite visit
Suriet 8: 1979-09 - Worksite visit
Suriet 9: 1979-09 - Worksite visit
Suriet 10: 1979-09 - Worksite visit