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| npr1   | R Documentation   |
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US Naval Petroleum Reserve No. 1 data
-------------------------------------

Description
~~~~~~~~~~~

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.

Usage
~~~~~

::

    npr1

Format
~~~~~~

This data frame contains the following columns:

``x, y``
    x and y coordinates, in miles from an arbitrary origin.

``perm``
    permeability in milli-Darcies.

``por``
    porosity (%).

Source
~~~~~~

Maher, J.C., Carter, R.D. and Lantz, R.J. (1975) Petroleum geology of
Naval Petroleum Reserve No. 1, Elk Hills, Kern County, California. *USGS
Professional Paper* **912**.

References
~~~~~~~~~~

Venables, W. N. and Ripley, B. D. (2002) *Modern Applied Statistics with
S.* Fourth edition. Springer.
