| http://www.w3.org/ns/prov#value | - An undivided one-half interest in all oil, gas, coal or other hydro-carbon substances and minerals in, upon, or under said land, and the right to the use of such portions of the surface of said land as may be necessary for the proper exploration, mining or otherwise extracting and removing said oil, gas, coal or other hydro-carbon substances and minerals as reserved in instrument recorded in Docke
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