Ray Niemeir

@rayniemeir

Mostly retired. Still interested. https://t.co/u1SM4F6nZW

Housecleaning 1 of 3: How the ancients navigated before smartphones had maps. #mapping #gis

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1171 days ago

Housecleaning 1 of 3: How the ancients navigated before smartphones had maps. #mapping #gis

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