Previous SC 630's:
  1946 ROUTE LOG 
SC 63: 0 - 0 
SC 641: 9.6 - 9.6 
SC 64, SC 217: 3.5 - 13.1 
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SC 630: Appeared in Dec 1937 (SCDOT) as new primary routing from SC 63 Islandton north to SC 641.
 In 1939, SC 630 was extended north as new primary routing to end at SC 64-217 Lodge.
 In 1947, SC 630 was downgraded to S-15-18 south of SC 641 and S-15-20 north of SC 641 (now also S-15-18).
 
 
 SC 630 appears in western Colleton County
  1938 Official
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 SC 630 extended to Lodge
  1939 Official
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