Previous SC 439's:
  1946 ROUTE LOG 
SC 43: 0 - 0 
SC 452: 3.6 - 3.6 
SC 28: 2.0 - 5.6 
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SC 439 Appeared in 1942 as new primary routing, running from SC 43 (now US 378) southeast to SC 28 Plum Branch
 In 1947, SC 439 was downgraded to S-33-44 and S-33-30.  
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 SC 439 out of Plum Branch
  1942 Official
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