An Act to authorize the Secretary of the Interior to construct, operate, and maintain the Narrows unit, Missouri River Basin project, Colorado, and for other purposes
PL 91-389 (S.3547), enacted 08/24/1970

830 
PUBLIC LAW 91-388-AUG. 24, 1970 
[84 STAT. 
August 24, 1970 
[H. R. 14956] 
Public Law 91-388 
AN .ACT 
To extend for three years the period during which certain dyeing and tanning 
materials may be imported free of duty. 
Tanning ex-
tracts, duty free 
entry. 
Extension. 
80 Stat. 765. 
Effective date. 
Ante, p. 284. 
U.S. savings 
bonds, interest 
rate, increase. 
83 Stat. 272. 
55 Stat. 7; 
73 Stat. 621. 
Be it enacted hy the Senate and House of Representatives 
of the 
United States of America in Congress assembled^ That item 907.80 of 
the appendix to the Tariff Schedules of the United States (19 U.S.C. 
1202) is amended by striking out "9/30/69" and inserting in lieu 
thereof "9/30/72". 
SEC. 2. (a) The amendment made by the first section of this Act shall 
apply with respect to articles entered, or withdrawn from warehouse, 
for consumption after the date of the enactment of this Act. 
(b) Upon request therefor filed with the customs officer concerned 
on or before the one hundred and twentieth day after the date of the 
enactment of this Act, the entry or withdrawal of any article— 
(1) which was made after October 1, 1969, and on or before 
the date of the enactment of this Act, and 
(2) with respect to which there would be no duty if the amend-
ment made by the first section of this Act applied to such entry 
or withdrawal, 
shall, notwithstanding the provisions of section 514 of the Tariff Act 
of 1930 or any other provision of law, be liquidated or reliquidated as 
though such entry or withdrawal had been made on the day after the 
date of the enactment of this Act. 
SEC. 3. (a) The proviso in the second sentence of section 22(b) (1) 
of the Second Liberty Bond Act, as amended (31 U.S.C. 757c (b) (1)), 
is amended by striking out "5 per centum" and inserting in lieu thereof 
"514 per centum". 
(b) Section 22(b) of the Second Liberty Bond Act, as amended 
(31 U.S.C. 757c(b)), is further amended by adding a new paragraph 
(3) reading as follows: 
" (3) The Secretary of the Treasury, with the approval of the Presi-
dent, may increase the interest rates and the investment yields on any 
offerings of United States savings bonds by not more than one-half of 
one percent for any interest accrual period that begins on or after 
June 1,1970, and for any interest accrual period thereafter, to be paid 
as a bonus either on redemption or at maturity as the Secretary shall 
specify at the time the increase is provided." 
Approved August 24, 1970. 
August 28, 1970 
[S.3547] 
Public Law 91-389 
AN ACT 
To autliorize the Secretary of the Interior to construct, operate, and maintain 
tlie Narrows unit, Missouri River Basin project, Colorado, and for other 
purposes. 
Missouri River 
Basin project, 
Colo. 
Narrows unit, 
construction 
authorization. 
58 Stat. 891. 
Be it enacted hy the Senate and House of Rep't'esentatives of the 
United States of America in Congress assembled^ That the Narrows 
unit, heietofore authorized as an integral part of the Missouri River 
Basin project by section 9 of the Flood Control Act of December 22, 
1944, as amended and supplemented, is hereby reauthorized as a unit 
of that project for the purposes of providing irrigation water for one 
hundred and sixty-six thousand acres of land, flood control, fish and 
wildlife conservation and development, public outdoor recreation, 
potential future municipal and industrial supplies, and for other pur-
poses. The construction, operation, and maintenance of the Narrows 
84 STAT.] 
PUBLIC LAW 91-389-AUG. 28, 1970 
sai 
unit shall be subject to the Federal reclamation laws (Act of June 17, 
1902, 82 Stat. 388, and Acts amendatory thereof or supplementary 
thereto). The principal features of the Narrows unit shall include the 
Narrows Dam and Reservoir, fish hatchery and rearing ponds, acquisi-
tion and development of the existing Jackson Lake Reservoir, includ-
ing some rehabilitation of Jackson Lake Dam, for public outdoor 
recreation and fish and wildlife enhancement, and other necessary 
works and facilities to effect its purpose. 
The Narrows unit shall be operated in such manner that identifiable 
return flows of water will not cause the South Platte River to be in vio-
lation of water quality standards established by the State of Colorado 
and approved by the Secretary of the Interior pursuant to the Water 
Quality Act of 1965 (79 Stat. 903). 
SEC. 2. The conservation and development of the fish and wildlife 
resources and the enhancement of recreation opportunities in connec-
tion with the Narrows unit shall be in accordance with provisions of 
the Federal Water Project Recreation Act (79 Stat. 213). 
SEC. 3. The Narrows unit shall be integrated physically and finan-
cially with the other Federal works constructed under the comprehen-
sive plan approved by section 9 of the Flood Control Act of 
December 22, 1944, as amended and supplemented: Provided^ That 
repayment contracts for the return of construction costs allocated to 
irrigation will be based on the irrigator's ability to repay, as deter-
mined by the Secretary: Provided further^ That the terms of such 
contracts shall not exceed 50 years. 
SEC. 4. For a period of ten years from the date of enactment of this 
Act, no water from the unit authorized by this Act shall be delivered 
io any water user for the production on newlj^ irrigated lands of any 
basic agricultural commodity, as defined in the Agricultural Act of 
) 949, or any amendment thereof, if the total supply of such commodity 
for the marketing year in which the bulk of the crop would normally 
be marketed is in excess of the normal supplv as defined in section 301 
(b)(10) of the Agricultural Adjustment Act of 1938, as amended, 
unless the Secretary of Agriculture calls for an increase in production 
of such commodity in the interest of national security. 
SEC. 5. To the extent that project water constitutes a supplemental 
irrigation supply, the provisions of the Act of June 16,1938, relating 
to the Colorado-Big Tliompson project in Colorado are hereby made 
equally applicable to the Narrows unit. 
SEC. 6. The interest rate used for purposes of computing interest 
during construction and interest on the unpaid balance of the capital 
costs allocated to interest-bearing features of the project shafi be 
determined by the Secretary of the Treasury, as of the beginning of 
the fiscal year in which construction is initiated, on the basis of the 
computed average interest rate payable by the Treasury upon its out-
standing marketable public obligations, which are neither due nor 
callable for redemption for fifteen years from date of issue. 
SEC. 7. There is hereby authorized to be appropriated for con-
struction of the Narrows unit as authorized in this Act the sum of 
$68,050,000 (based upon Jaimary 1969 prices), plus or minus such 
amounts, if aiiy, as may be justified by reason of ordinary fluctuations 
in construction costs as indicated by engineering costs indexes 
applicable to the types of construction involved herein. There are also 
authorized to be appropriated such additional sums as may be required 
for operation and maintenance of the unit. 
Approved August 28, 1970. 
43 use 371 
and note. 
Recreation, 
fish and wild-
life facilities,, 
33 u s e 466 
note. 
16 u s e 460/..12 
note. 
Integration 
with other Fed-
eral works. 
Repayment con-
tracts, terms. 
Water deliveiy, 
restriction. 
63 Stat. 1051. 
7 use 1421 note. 
62 Stat. 1251. 
7 use 1301. 
52 Stat. 764. 
43 use 386. 
Interest rates. 
Appropriations.