Gabilan Watershed Historical Maps
An inventory of historic maps for the greater Gabilan Watershed Area. Click images to enlarge
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Image (click on maps to enlarge) |
Author |
Title |
Date |
Description / Source |
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Department of Commerce (Johnson, W.M.) | Salinas South | 1854 | U.S. Coast Geodetic Survey showing the Salinas River Lagoon, Old Salinas River Channel, and lower Tembladero Slough and surrounding lands. Includes minor annotations.
Courtesy: UCSC Science and Engineering Library |
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Smith, S.W. |
Official Map of Monterey County |
1869 |
County map showing hydrologic features, vegetation annotations, rancho boundaries and towns. Contains great detail. Courtesy: UCSC Science and Engineering Library |
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Cox, St. J. |
Map of Monterey County |
1877 |
County map showing hydrologic features, ranch boundaries, towns, and property lots. Note: This copy is a photograph of large wall map at UCSC library. This piece covers area from Pajaro River south to Spreckels and east to Gabilan Range. Courtesy: UCSC Science and Engineering Library |
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| Hermann A.T. | Unofficial title: Mouth of the Salinas River | 1879 | A survey map showing the Salinas River Lagoon, the Old Salinas River channel and lower reach of Tembladero Slough and surrounding areas.
From Report: Field Notes of The Reservation and Examination made in the City Lands of Monterey: Mouth of the Salinas River 1879.Note: Low res version |
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| Report of Bureau of Soils, U.S. Dept of Agriculture | Underground Water Map Salinas Sheet | 1901 | Ground water elevation map showing water elevations (sub-surface and surface) in the Salinas River Delta area from approximately Chualar to just south of Moss Landing.
Scanned from Report of Bureau of Soils, U.S. Dept of Agriculture – Salinas Plate. |
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Hare, L. |
Partition map no.3 showing property belonging to the estate of Jesse D. Carr situated in Salinas City. |
1906 |
Survey map of the Carr Lake vicinity showing swamp lands, including general vegetation types, proposed drainage ditches and acreage statistics. Note: This is a photograph of the map. Photograph has some distortion. Courtesy: UCSC Science and Engineering Library |
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| Lou G. Hare, Civil Engineer | Map of Drainage Areas In The Vicinity of Salinas, Calif. | c 1906 | Map of the major drainages in the Gabilan Watershed including the chain of lakes from Smith Lake down to Old Salinas River Channel, adjacent waterways including Alisal Slough, Confederate Slough and a valley cross-section schematic from the Salinas River to the Gabilan Range (map bottom).
Note: Map reproduced from Gordon (1996). |
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| Lou G. Hare, Civil Engineer | Reclamation Ditch No 1665 | c 1906 | Map of the proposed improvement of Gabilan Creek (which later became the Reclamation Ditch in this reach). This map is similar to The Improvement of Gabilan Creek (see below).
Map reproduced from RDIPAC (2002) document. |
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| Lou G. Hare, Civil Engineer | The Improvement of Gabilan Creek | 1906 | A blue print for the improvement (channelization) of Gabilan Creek and its surrounding swamp lands from Carr Lake to confluence with Tembladero Slough near Castroville; includes most of the seven lakes. Includes water elevations at the time and estimates of water elevations and channel elevations after construction, estimated acres to be reclaimed, as well as some annotations of marsh lands, tule swamps, willow groves, homes etc. | |
| Department of Commerce and Labor | Monterey Bay Salinas River Southward: Revision of Topography | 1910 | Coast and geodetic survey showing the Salinas River Lagoon, Old Salinas River Channel, and lower reaches of Tembladero Slough. Includes some annotations including railroads, cultivated areas, windmills, etc.
Courtesy: UCSC Science and Engineering Library |
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| United State Geological Survey | Salinas 15 minute Quadrangle | 1912 | Historic topographic map of the Salinas area.
Courtesy: U.C. Berekeley Earth Sciences & Map Library |
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| United State Geological Survey | Monterey 15 minute Quadrangle | 1913 | Historic topographic map of lower Carmel Valley, City of Monterey, Seaside, western edge of Fort Ord, Marina, and the Salinas River Lagoon.
Courtesy: U.C. Berekeley Earth Sciences & Map Library |
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| United State Geological Survey | Capitola 15 minute Quadrangle | 1914 | Historic topographic map showing Moss Landing, Elkhorn Slough, Old Salinas River Channel, Castroville and surrounding areas.
Courtesy: U.C. Berekeley Earth Sciences & Map Library |
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| United State Geological Survey | San Juan Bautista 15 minute Quadrangle | 1917 | Historic topographic map showing eastern half of Elkhorn Slough and Moro Cojo Slough, upstream half of the Gabilan Watershed, towns of San Juan Bautista and Hollister.
Courtesy: U.C. Berekeley Earth Sciences & Map Library |
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United State Geological Survey |
Hollister 15 minute Quadrangle |
1921 |
Historic topographic map showing the very northeastern corner of the Gabilan Watershed, particularly Towne Creek. Also shows the town of Hollister, San Felipe Lake, and the lower San Benito River and tributaries. Courtesy: U.C. Berkeley Earth Sciences & Map Library |
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United State Geological Survey |
Gonzales 15 minute Quadrangle |
1921 |
Historic topographic map showing the southeastern corner of the Gabilan Watershed, particularly the upper portion of the Alisal Creek drainage; also shows the town of Gonzales and much of the Chualar Creek drainage. Courtesy: U.C. Berkeley Earth Sciences & Map Library |
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Cozzens, H.F. |
County Road Map of County of Monterey |
1934 |
Map showing highway alignment along with hydrologic features (including marsh areas), cities/towns and rancho boundaries. Note: Photograph of corner of large wall map at UCSC Library. Courtesy: UCSC Science and Engineering Library |
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Cozzens, H.F. |
Map of Monterey County |
1940 |
Map showing highways, hydrologic features (including marsh areas), cities/towns, and rancho boundaries. Note: Photograph of corner of large wall map at UCSC Library. Courtesy: UCSC Science and Engineering Library |



