LEADER 00000nam 2200181 a 4500 001 ora0000052744 003 UkHlHU 007 t 008 960902s1994 NOR 000 040 UkHlHU 110 1 North Yorkshire (England).|bCounty Record Office. 245 10 List of mining plans available for consultation in the North Yorkshire County Record Office :|bGuide no. 9. 260 Northallerton :|bNorth Yorkshire County Record Office, |c1994. 300 67 p. 650 0 Mineral industries|xEngland|xNorth Yorkshire|vMaps. 650 0 Mineral industries|xEngland|xNorth Yorkshire |xBibliographies. 936 UCS bib. record 946 65X |x Subfield is geographical name -- Check for UCS subject headings
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