Higashimisome coal mine: Report by company officials. Report No. 90g(9)(a), USSBS Index Section 2

Okinoyama coal mine: Report by company officials. Report No. 90g(8)(a), USSBS Index Section 2

Higashimisome coal mine: Mine lay-out. Report No. 90g(9)(d), USSBS Index Section 2

Higashimisome coal mine: Building plot. Report No. 90g(9)(c), USSBS Index Section 2

Higashimisome coal mine: Description of plants. Report No. 90g(9)(b), USSBS Index Section 2

Higashimisome coal mine: Chart of conveyor for coal. Report No. 90g(9)(f), USSBS Index Section 2

Higashimisome coal mine: Belt conveyor lay-out. Report No. 90g(9)(g), USSBS Index Section 2

Higashimisome coal mine: Construction chart of miners' houses. Report No. 90g(9)(e), USSBS Index Section 2

Riken Metal Company: Report by company officials. Report No. 90g(12)(a), USSBS Index Section 2

Ube Nitrogen Fertilizer Company: Report by company officials. Report No. 90g(11)(a), USSBS Index Section 2

Ube iron works: Report by company officials. Report No. 90g(10)(a), USSBS Index Section 2

Okinoyama coal mine: Map of coal fields. Report No. 90g(8)(c), USSBS Index Section 2

Okinoyama coal mine: Coal dressing and transporting plant lay-out. Report No. 90g(8)(b), USSBS Index Section 2

Ube steam power plant: Report by plant officials. Report No. 90g(13)(a), USSBS Index Section 2

Complete report by company officials. Report No. 45e(5), USSBS Index Section 2

Okinoyama coal mine: Damage plot of Okinoyama colliery. Report No. 90g(8)(d), USSBS Index Section 2

Nippon Oil Conversion Company - Kawasaki: Report by company officials. Report No. 51a(16)(a), USSBS Index Section 2

Okinoyama coal mine: Damage plot of miners' tenement houses. Report No. 90g(8)(e), USSBS Index Section 2

Coal - industry and company structure: List of officials of Nippon Coal Company, Ltd. Report No. 36c(3)(d), USSBS Index Section 2

Company officials interview. Report No. 39a(4), USSBS Index Section 2

Report by plant officials. Report No. 22c(1), USSBS Index Section 2

Riken Metal Company: Process plans. Report No. 90g(12)(c), USSBS Index Section 2

Report submitted by company officials to USSBS in answer to questionnaire (part English). Report No. 45b(1), USSBS Index Section 2

Coal - labor, equipment, efficiency, and quality of coal produced: Coal - mining efficiency by districts Report No. 36c(9)(b), USSBS Index Section 2

Riken Metal Company: Photographs and negatives. Report No. 90g(12)(d), USSBS Index Section 2