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(c) PURPOSE.—The purpose of the study shall be to 
develop recommendations to more effectively address cur-
rent and future drought conditions in the southwestern 
United States. 
(d) AUTHORIZATION
OF APPROPRIATIONS.—There 
are authorized to be appropriated to the Secretary to carry 
out this section $7,000,000. Such funds shall remain 
available until expended. 
SEC. 4004. UPPER MISSISSIPPI RIVER COMPREHENSIVE 
PLAN. 
Section 459(e) of the Water Resources Development 
Act of 1999 (113 Stat. 333; 114 Stat. 2635) is amended 
by striking ‘‘3 years after the first date on which funds 
are appropriated to carry out this section’’ and inserting 
‘‘December 30, 2006’’. 
SEC. 4005. DELAWARE RIVER. 
The Secretary shall review, in consultation with the 
Delaware River Basin Commission and the States of Dela-
ware, Pennsylvania, New Jersey, and New York, the re-
port of the Chief of Engineers on the Delaware River, pub-
lished as House Document Numbered 522, 87th Congress, 
Second Session, as it relates to the Mid-Delaware River 
Basin from Wilmington to Port Jervis, and any other per-
tinent reports (including the strategy for resolution of 
interstate flow management issues in the Delaware River
214
Basin dated August 2004 and the National Park Service 
Lower Delaware River Management Plan (1997–1999)), 
with a view to determining whether any modifications of 
recommendations contained in the first report referred to 
are advisable at the present time, in the interest of flood 
damage reduction, ecosystem restoration, and other re-
lated problems. 
SEC. 4006. KNIK ARM, COOK INLET, ALASKA. 
The Secretary shall conduct, at Federal expense, a 
study to determine the potential impacts on navigation of 
construction of a bridge across Knik Arm, Cook Inlet, 
Alaska. 
SEC. 4007. KUSKOKWIM RIVER, ALASKA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for navigation, 
Kuskokwim River, Alaska, in the vicinity of the village of 
Crooked Creek. 
SEC. 4008. ST. GEORGE HARBOR, ALASKA. 
The Secretary shall conduct, at Federal expense, a 
study to determine the feasibility of providing navigation 
improvements at St. George Harbor, Alaska. 
SEC. 4009. SUSITNA RIVER, ALASKA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for hydropower, recre-
ation, and related purposes on the Susitna River, Alaska.
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SEC. 4010. GILA BEND, MARICOPA, ARIZONA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for flood damage re-
duction, Gila Bend, Maricopa, Arizona. In conducting the 
study, the Secretary shall review plans and designs devel-
oped by non-Federal interests and shall incorporate such 
plans and designs into the Federal study if the Secretary 
determines that such plans and designs are consistent with 
Federal standards. 
SEC. 4011. SEARCY COUNTY, ARKANSAS. 
The Secretary shall conduct a study to determine the 
feasibility of using Greers Ferry Lake as a water supply 
source for Searcy County, Arkansas. 
SEC. 4012. DRY CREEK VALLEY, CALIFORNIA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project to provide recycled 
water for agricultural water supply, Dry Creek Valley, 
California, including a review of the feasibility of expand-
ing the Geysers recharge project north of Healdsburg, 
California. 
SEC. 4013. ELKHORN SLOUGH ESTUARY, CALIFORNIA. 
The Secretary shall conduct a study of the Elkhorn 
Slough estuary, California, to determine the feasibility of 
conserving, enhancing, and restoring estuarine habitats by 
developing strategies to address hydrological management 
issues.
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SEC. 4014. FRESNO, KINGS, AND KERN COUNTIES, CALI-
FORNIA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for water supply for 
Fresno, Kings, and Kern Counties, California. 
SEC. 4015. LOS ANGELES RIVER, CALIFORNIA. 
(a) IN GENERAL.—The Secretary shall conduct a 
study to determine the feasibility of carrying out a project 
for flood damage reduction and ecosystem restoration, Los 
Angeles River, California. 
(b) REVITALIZATION
PLAN.—In conducting the 
study, the Secretary shall review the Los Angeles River 
revitalization plan developed by non-Federal interests and 
shall incorporate such plan into the Federal study if the 
Secretary determines that such plan is consistent with 
Federal standards. 
SEC. 4016. LYTLE CREEK, RIALTO, CALIFORNIA. 
The Secretary shall conduct a study to determine the 
feasibility of carrying out a project for flood damage re-
duction and groundwater recharge, Lytle Creek, Rialto, 
California. 
SEC. 4017. MOKELUMNE RIVER, SAN JOAQUIN COUNTY, 
CALIFORNIA. 
(a) IN GENERAL.—The Secretary shall conduct a 
study to determine the feasibility of carrying out a project