Official volume of proceedings of the first New Zealand town-planning conference and exhibition. Wellington, 20th to 23rd May, 1919 .. (1919)
New Zealand town-planning conference and exhibition (1st : 1919 : Wellington) · Wellington, M.F. Marks, government printer · leaf 221
177 is little doubt that the limit will be tixed at or near the weiglit indicated.Without going into detail as to exact thickness of different materialsrequired on varying subgrades. it may be assumed that for averageconditions the usual 4i in. of tar-macadam on an old road-bed, or 6 in.of cement…
City planning · Cities and towns -- New Zealand
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