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The location of abandoned mine-shafts in rural and urban environments
C. P. Gallagher, A. C. Henshaw, M. S. Money, D. H. TarlingVolume:
18
Language:
english
Pages:
7
DOI:
10.1007/bf02635368
Date:
December, 1978
File:
PDF, 785 KB
english, 1978