<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="http://calmview.derbyshire.gov.uk/CalmView/record/catalog/NCB/A/BUT/13/10/18" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Butterley Company correspondence file on general dirt percentages</dc:title>
  <dc:description>Relating to the quality of coal for sale and analysis of percentages of dirt, including on types of cleaner for Ripley Colliery, June 1939-Apr 1940, analyses for the company's collieries, 1938-1940, sales analyses for Kirkby Colliery, Dec 1941-Feb 1943, sales analyses for the company's collieries, Dec 1943-Feb 1943, and correspondence on Ollerton Colliery's high dirt percentage, July 1945-Jan 1946.</dc:description>
  <dc:date>Jun 1939-Mar 1947</dc:date>
</rdf:Description>