Entries for tag "territory"

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The Delta

The Delta is a productive agricultural region with an increasingly uncertain future.

Located just east of and draining into…

Posted by dnpadmin on 05/23 at 12:47 AM • #

Schwarzenegger Letter

October 29, 2003 letter from Governor Schwarzenegger to Sen. Dianne Feinstein encouraging the reauthorization of CALFED, the bureaucracy charged with…

Posted by dnpadmin on 05/23 at 12:19 AM • #

Saline Lands Exchange Authority

The Saline Lands Exchange Authority would coordinate development at the Delta’s western end.

Landowners in the western end of…

Posted by dnpadmin on 05/22 at 11:48 PM • #

Large Owner Axis Exchange Authority

The Large Owner Axis Exchange Authority would coordinate development along the north-south axis of the Delta.

The LOA spans…

Posted by dnpadmin on 05/22 at 11:37 PM • #

Delta Watershed

The Central Valley’s watershed covers 62,500 square miles, the area of New England, and extends from Mount Shasta in the…

Posted by dnpadmin on 05/22 at 11:26 PM • #

Delta Loop

The Delta Loop is a 10-mile scenic drive that is the first attempt to brand a tourist’s Delta experience through…

Posted by dnpadmin on 05/22 at 11:23 PM • #

Captured Sloughs

During the historical period of reclamation, land development companies often filled in waterways to create larger tracts of land. Many…

Posted by dnpadmin on 05/02 at 06:10 PM • #

Images

McDonald Island bridge

McDonald Island bridge

Bridge between Roberts and McDonald Islands. The bridge is private.

Isolated facility - eastern alignment alternative

Isolated facility - eastern alignment alternative

The Eastern Alignment Isolated Facility is the latest preferred alternative of the planners of the ongoing crisis in California’s contentious debate over Delta water export.

Two components comprise the facility—The Eastern Alignment Isolated Conveyance Component, and Through-Delta improvements. The proposed EAIC would have 1/ a 41-mile canal skirting the eastern edge of the Delta; 2/ an intake facility near hood that would divert up to 15,000 cfs out of the Sacramento River before entering the Delta; 3/ 8 siphons over rivers and sloughs; 4/ 3 culverts under sloughs; 5/ 18 bridges over state highways and roads; 6/ 2 rail bridges

The through-Delta improvements would include: 1/ 75 miles of retrofitted setback levees; 2/ 60 miles dredged rivers and sloughs; 3/ barriers at Old River, Connection Slough and Woodward Canal; 4/ a siphon at old river to direct water to clifton court forebay.

Spanos Park West development

Spanos Park West development

Housing construction at Spanos Park West, west of Interstate 5 and within the Borrow Pit Exchange Authority. Despite its locatio

South Delta farm camp

South Delta farm camp

A typical farm camp puncuating the horizon. The camp seen here is relatively new, but is similar to old camps in its dense organization of buildings shaded by a canopy of trees.

Saline Lands Exchange Authority

Saline Lands Exchange Authority

Land at the western edge of the Delta is subject to higher water salinity levels because of the proximity to San Francisco Bay. Controlling salinity is a major task for state and federal agencies.

River Islands development plan

River Islands development plan

River Islands is a development proposed for Stewart Tract in the southeast Delta. It would build a new community protected by a “super levee.”  This new levee is seen by adjacent landowners as a breach in the long-standing agreement to build levees to the same height, thereby ensuring that all would share equally in the risk of flooding. If realized, River Islands would set a new precedent for in-Delta suburban development.

Migrating Geese

Migrating Geese

The Delta is on the Pacific Flyway, which runs from Alaska to South America.

Lower Delta topography

Lower Delta topography

The topography of Mandeville and Bacon Islands and Holland Tract, to -20’ below sea level. Darker color represents lower elevation.

Large Owner Axis Topography

Large Owner Axis Topography

Most of the Large Owner Axis land is below sea level. Note how the middle of the Axis is lowest in elevation.

Large Owner Axis

Large Owner Axis

Large Owner Axis diagram showing past or present island owners and their source of wealth. The Large Owner Axis is a chain of islands that connect the two most important elements of the Delta’s water redistribution infrastructure.

The LOA is also the key axis of planned “through-Delta” water redistribution infrastructure proposals, whether or not these improvements are tied to the new Peripheral Canal proposal.

Fishing, bridge and pump

Fishing, bridge and pump

Fishing among infrastructure in the Delta.

Fishing in the Central Delta

Fishing in the Central Delta

Relaxing at the water’s edge, Twitchell Island tip.

Fishing in the South Delta

Fishing in the South Delta

The Delta is an important recreational space for many urban dwellers.

Delta Wetlands Project islands

Delta Wetlands Project islands

Left to right: Holland Tract, Bacon Island, Bouldin Island, and Webb Tract. 20,000 acres, evenly split between profit-generating

Delta Tours and Exchange Authorities

Delta Tours and Exchange Authorities

Diagram describing tourist itineraries, landmark locations, and the exchange authorities of the Delta National Park.

Delta Meadows view

Delta Meadows view

Behind Locke is Delta Meadows, a favorite spot for boaters. it is one of the few unreclaimed areas in the Delta.

Delta Ethnic History

Delta Ethnic History

This map describes property owned or rented by ethnic Japanese, Chinese, and East Indian farmers in the early 20th century.

Delta Cross Channel gates

Delta Cross Channel gates

A view of the Cross Channel gates, shown in their closed position. The Delta Cross Channel is located in the north Delta between the historic towns of Locke and Walnut Grove, and is currently the most important element of the delta water redistribution infrastructure that is not a pump or an aqueduct.

Channel Island Resort

Channel Island Resort

Channel islands are small islands that did not get reclaimed during the levee-building era. Most are privately owned, and many are resorts, camps, or yacht clubs. Their presence in the Delta’s waterways make the most significant contribution to the Delta’s picturesque qualities. They are also at the very least threatened by the implications of climate change.

Borrow Pit Exchange Authority

Borrow Pit Exchange Authority

Diagram of the Borrow Pit Exchange Authority along I-5. Borrow pits were dug to provide fill for the I-5 roadbed. The pits filled with water and developed riparian habitat. Some are now wildlife preserves. The pits may come back into focus as their locations approximate the proposed Peripheral Canal location.

Mokelumne Pipes

Mokelumne Pipes

These pipes take water from the Mokelumne River across the Delta to Contra Costa county. Note how much the ground has subsided from the pile caps since construction.

An Urbanizing Perimeter

An Urbanizing Perimeter

Nearly the entire perimeter of the Delta is undergoing rapid urbanization, making the delta an increasingly important recreational space.

This diagram situates some of the speculative “exchange authority” elements proposed by the Delta National Park design team.

8 Mile Road driving range

8 Mile Road driving range

This driving range is in the Interstate 5 corridor, just off the Eight Mile Road exit at Spanos Park West. The range is part of the leading edge of development flirting with the sea level and regulatory boundary called the Delta Secondary Zone. Much of this development is being done by Alex Spanos, owner of the San Diego Chargers and Stockton favorite son.

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