Heliographs!

The battle of Devil's Creek (coming soon)

Cochise County historic features from Spencer's 1886 map, the BLM's GLO maps, and others.

Elkhorn Ranch Brush Clearing Case Study story map. Here I used remote sensing to analyze vegetation cover going back 50 years.

Sarah Davis's 1849-1850 trek across the country. Here an emigrant diary is mapped based on the emigrant's written description of features, vegetation, fauna, and terrain. It reveals some surprises.

Emigrant Trails. This is a comparison of trail locations available through the NPS and models created by least cost analysis.

While this example is not strictly historical, the data used from the LANDSAT series of satellites extends back 50 years.

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