Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 439
IT STANDS ON THE SOLID iKEYSTONEi The Keystone can be equippedwith three different, readily inter-changeable buckets, Skinuner,Ditcher and Clamshell, for varieduses. With each one it has all theefficiency of highly specialized de-sign. A catalog, and bookletKeystone Shovel jobs, on request. THE…
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