Rio Blanco Tract
{{short description|Island in California}}
{{Infobox islands
| name = Rio Blanco Tract
| image = File:NASA Worldwind, USGS imagery map, Rio Blanco Tract, California.png
| image_size =
| image_caption = USGS aerial imagery of the Rio Blanco Tract
| image_alt = Aerial image of an island.
| pushpin_map = United States Sacramento Delta#USA California#USA
| pushpin_label =
| pushpin_label_position =
| pushpin_map_alt =
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| pushpin_map_caption =
| coordinates = {{coord|38|04|46|N|121|24|18|W|region:US-CA_source:gnis-231618|display=it|name=Rio Blanco Tract|notes=}}
| location = Northern California
| waterbody = Sacramento–San Joaquin River Delta
| area_sqmi =
| length_mi =
| length_footnotes =
| width_mi =
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| coastline_mi =
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| elevation_ft = 0
| country = United States
| country_admin_divisions_title = State
| country_admin_divisions = {{flag|California}}
| country_admin_divisions_title_1 = County
| country_admin_divisions_1 = San Joaquin
| country_admin_divisions_title_2 =
| country_admin_divisions_2 =
}}
The Rio Blanco Tract is an island in the Sacramento–San Joaquin River Delta. It is part of San Joaquin County, California, and managed by Reclamation District 2114. Its coordinates are {{coord|38|04|46|N|121|24|18|W|region:US-CA_source:gnis-231618|display=inline|name=Rio Blanco Tract|notes=}}, and the United States Geological Survey measured its elevation as {{cvt|0|ft|m}} in 1981. It appears on a 1952 USGS map of the area.
References
{{Reflist|refs=
| url = https://www.newspapers.com/clip/86212865/shima-adds-to-big-holdings-in-delta/
| date = 1920-12-14
| page = 6
| title = Shima Adds to Big Holdings in Delta
| newspaper = The Sacramento Bee
| location = Sacramento, California
}}
| url = https://www.newspapers.com/clip/86212912/grape-growers-lose-in-aerial-spraying-ba/
| date = 1963-03-05
| page = 28
| title = Grape Growers Lose In Aerial Spraying Battle
| newspaper = The Sacramento Bee
| location = Sacramento, California
}}
| url = https://www.newspapers.com/clip/86212987/storm/
| date = 1982-12-01
| page = 2
| title = Storm
| newspaper = The Modesto Bee
| location = Modesto, California
}}
| author = United States Geological Survey
| title = United States Department of the Interior Geological Survey
| map = Terminous Quadrangle, California
| year = 1952
| scale = 1:24000
}}
{{Gnis|231618|Rio Blanco Tract}}
| url = https://www.sjgov.org/uploadedfiles/sjc/departments/lafco/msr-soi/final%20san%20joaquin%20reclamation%20%20districts%20msr%20w%20exhibits_v2reduced.pdf
| title = Municipal Service Review: Selected San Joaquin County Reclamation Districts
| last =
| first =
| website = San Joaquin Local Agency Formation Commission
| publisher = E Mulberg & Associates
| date = 18 March 2018
| access-date = 24 February 2021
| quote =
| archive-date = 14 March 2021
| archive-url = https://web.archive.org/web/20210314171930/https://www.sjgov.org/uploadedfiles/sjc/departments/lafco/msr-soi/final%20san%20joaquin%20reclamation%20%20districts%20msr%20w%20exhibits_v2reduced.pdf
| url-status = live
}}
| url = https://www.sjmap.org/mapdocs/FrontCounter_Reclamation_Districts.pdf
| title = Reclamation Districts Map
| last =
| first =
| website = San Joaquin County Geographic Information Systems
| publisher = San Joaquin County
| date = 16 September 2020
| access-date = 24 February 2021
| quote =
| archive-date = 24 November 2020
| archive-url = https://web.archive.org/web/20201124001947/http://www.sjmap.org/mapdocs/FrontCounter_Reclamation_Districts.pdf
| url-status = live
}}
}}
{{Islands of Suisun Bay and the Sacramento–San Joaquin River delta}}
{{San Francisco Bay watershed}}
{{Sacramento–San Joaquin River Delta}}
Category:Islands of San Joaquin County, California
Category:Islands of the Sacramento–San Joaquin River Delta
Category:Islands of Northern California
{{SanJoaquinCountyCA-geo-stub}}