Editing Spring (hydrology) (section)

===Irrigation===
Springs have been used as sources of water for gravity-fed irrigation of crops.<ref name="irrigation">{{cite journal |last1=Clement |first1=Christopher Ohm |last2=Moseley |first2=Michael E. |title=The Spring-Fed Irrigation System of Carrizal, Peru: A Case Study of the Hypothesis of Agrarian Collapse |journal=Journal of Field Archaeology |date=1991 |volume=18 |issue=4 |pages=425–443 |doi=10.1179/009346991791549059 }}</ref> Indigenous people of the [[Southwestern United States|American Southwest]] built spring-fed [[acequia]]s that directed water to fields through canals. The Spanish missionaries later used this method.<ref name="acequias">{{cite web |title=Acequias and River Systems |url=https://www.worldheritagesa.com/Missions/The-Acequias |access-date=15 November 2021}}</ref><ref name="NYT acequia">{{cite news |last1=Romero |first1=Simon |title=Drought Hits the Southwest, and New Mexico's Canals Run Dry |url=https://www.nytimes.com/2021/07/13/us/acequias-drought-new-mexico-southwest.html |access-date=15 November 2021 |work=The New York Times |date=13 July 2021}}</ref>