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The military has additional codes available to them (P(Y) and M per [1] et seq.). [1]: https://www.e-education.psu.edu/geog862/node/1741 https://www.e-educatio
by velosol 7y ago
The military has additional codes available to them (P(Y) and M per [1] et seq.).
[1]: https://www.e-education.psu.edu/geog862/node/1741 https://www.e-education.psu.edu/geog862/node/1741