|Eastern Mojave Vegetation||Ivins, Washington County, Utah.|
Ivins City was settled from 1922 to 1926 by settlers descended from Swiss immigrants. The early settlers were sent to the “Santa Clara Bench”, as the town was then called, to farm using water brought via a canal from the Santa Clara River. Culinary water was obtained from a spring known as the Snow Canyon Springs, located in Snow Canyon State Park and now known as Johnson Arch Spring. Families supported themselves through the raising of agricultural crops and some grazed cattle on the Pine Valley Mountain and Pinto areas.
The first survey of the original town site completed in the 1920’s was called the Santa Clara Bench Survey. The town was named after the surveyor, Anthony Ivins.
Just to the northeast of Ivins is a paleosol collection site in the Triassic to Jurassic Chinle, Moenave, and Kayenta formations used by Retallack in his 2009 study of greenhouse crises of the past 300 million years. Retallack used stomatal index data for fossil Ginko and related leaves as a proxy for past CO2 spikes and paleosol chemical data as proxies for temperature and humidity changes. These data show that global warming due to CO2 rise is a not a unique event in earth history and that the magnitude of the coming anthropogenic greenhouse pales in comparison with past greenhouse spikes at times of global mass extinctions.
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Date and time this article was prepared:2:40:30 PM, 9/23/2017.