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You searched for: Date Created 1950 Remove constraint Date Created: 1950

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  • Edinburg Quadrangle Indiana : 15 minute series (topographic) [1950 printing with vegetation]
  • Total intensity aeromagnetic map of DuBois County, Indiana relative to arbitrary datum
  • Indiana University, distribution of salaried employees
  • Westinghouse, distribution of workers
  • Franklin Quadrangle Indiana : 15 minute series (topographic) [1950 printing without vegetation]
  • Total intensity aeromagnetic map of Gibson County, Indiana : relative to arbitrary datum
  • Map of the City of Gary and vicinity, Lake County Indiana
  • Total intensity aeromagnetic map of Elkhart County, Indiana relative to arbitrary datum
  • Sarkes Tarzian, distribution of workers
  • Indiana Porter quadrangle [1950 reprint]