"where'm" meaning in English

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          "ref": "1936 June 30, Margaret Mitchell, Gone with the Wind, New York, N.Y.: The Macmillan Company, →OCLC; republished New York, N.Y.: The Macmillan Company, 1944, →OCLC:",
          "text": "\"Don't put your hand on me,\" said Uncle Henry irritably. \"I'm crawling with lice. War would be a picnic if it wasn't for lice and dysentery. Where'm I going? Well, I haven't been told but I've got a good idea. We're marching south, toward Jonesboro, in the morning, unless I'm greatly in error.\"",
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          "text": "\"Don't put your hand on me,\" said Uncle Henry irritably. \"I'm crawling with lice. War would be a picnic if it wasn't for lice and dysentery. Where'm I going? Well, I haven't been told but I've got a good idea. We're marching south, toward Jonesboro, in the morning, unless I'm greatly in error.\"",
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