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unsurfaced
unsurfaced adj.
Brit. 
/(ˌ)ʌnˈsəːfᵻst/
, /(ˌ)ʌnˈsəːfᵻst/U.S. /ˌənˈsərfəst/
/ˌənˈsərfəst/ΚΠ
1874 E. Pemberton Philatelical Catal. 17 Thick paper, soft, unsurfaced.
1953 W. Moore Bring Jubilee (1955) ii. 13 It was impossible to maintain unsurfaced highways in good condition.
2017 Express (Nexis) 17 Jan. 19 At one point we did 65 miles of unsurfaced roads in the Alps with breathtaking drops.
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