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<h2>US Naval Petroleum Reserve No. 1 data</h2>
<h3>Description</h3>
<p>
Data on the locations, porosity and permeability (a measure of oil flow)
on 104 oil wells in the US Naval Petroleum Reserve No. 1 in California.
</p>
<h3>Usage</h3>
<pre>
npr1
</pre>
<h3>Format</h3>
<p>
This data frame contains the following columns:
<dl>
<dt><code>x, y</code></dt><dd>x and y coordinates, in miles from an arbitrary origin
</dd>
<dt><code>perm</code></dt><dd>permeability in milli-Darcies
</dd>
<dt><code>por</code></dt><dd>porosity (%)
</dd></dl>
<h3>Source</h3>
<p>
Maher, J.C., Carter, R.D. and Lantz, R.J. (1975)
Petroleum geology of Naval Petroleum Reserve No. 1, Elk Hills,
Kern County, California.
<EM>USGS Professional Paper</EM> <B>912</B>.
</p>
<h3>References</h3>
<p>
Venables, W. N. and Ripley, B. D. (2002)
<EM>Modern Applied Statistics with S.</EM> Fourth edition. Springer.
</p>
<hr><div align="center">[Package <em>MASS</em> version 7.2-44 <a href="00Index.html">Index]</a></div>
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