trogon.livejournal.com ([identity profile] trogon.livejournal.com) wrote in [personal profile] pegkerr 2009-02-18 06:43 pm (UTC)

Any large-scale agriculture nearby? Most of the damage from industrial farming is to water rather than air, but it could still play a role.

The difference seems strange, but it could just be that they're right at the cutoff and it's something like 64.49 and 64.51.


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