BOULDER-CLAY

\bˈə͡ʊldəklˈe͡ɪ], \bˈə‍ʊldəklˈe‍ɪ], \b_ˈəʊ_l_d_ə_k_l_ˈeɪ]\

Definitions of BOULDER-CLAY

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1895 - Glossary of terms and phrases
By Henry Percy Smith