SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Ice Age Floods National 
Geologic Route Designation Act of 2006’’. 
SEC. 2. PURPOSE. 
The purpose of this Act is to designate the Ice Age 
Floods National Geologic Route in the States of Montana, 
Idaho, Washington, and Oregon, enabling the public to 
view, experience, and learn about the Ice Age Floods’ fea-
tures and story through the collaborative efforts of public 
and private entities. 
SEC. 3. DEFINITIONS. 
As used in this Act: 
(1) ROUTE.—The term ‘‘Route’’ means the Ice 
Age Floods National Geologic Route designated in sec-
tion 4. 
(2) SECRETARY.—The term ‘‘Secretary’’ means 
the Secretary of the Interior. 
(3) FLOODS.—The term ‘‘Ice Age Floods’’ or 
‘‘floods’’ means the cataclysmic floods that occurred in 
what is now the northwestern United States during 
the last Ice Age primarily from massive, rapid and 
recurring drainage of Glacial Lake Missoula. 
SEC. 4. DESIGNATION OF THE ICE AGE FLOODS NATIONAL 
NATIONAL GEOLOGIC ROUTE. 
(a) DESIGNATION.—In order to provide for the public 
appreciation, education, understanding, and enjoyment, 
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through a coordinated interpretive program of certain na-
tionally significant natural and cultural sites associated 
with Ice Age Floods that are accessible generally by public 
roads, the Secretary, acting through the Director of the Na-
tional Park Service, with the concurrence of the agency hav-
ing jurisdiction over such roads, is authorized to designate, 
by publication of a map or other description thereof in the 
Federal Register, a vehicular tour route along existing pub-
lic roads linking such natural and cultural sites. Such route 
shall be known as the ‘‘Ice Age Floods National Geologic 
Route’’. 
(b) LOCATION.—The location of the Route shall gen-
erally follow public roads and highways from the vicinity 
of Missoula in western Montana, across northern Idaho, 
through eastern and southern sections of Washington, and 
across northern Oregon in the vicinity of the Willamette 
Valley and the Columbia River to the Pacific Ocean, as gen-
erally depicted on the map titled ‘‘Ice Age Floods National 
Geologic Trial’’, numbered P43/80,000, and dated June 
2004. 
(c) MAPS.— 
(1) REVISIONS.—The Secretary may revise the 
map by publication in the Federal Register of a no-
tice of availability of a new map, as needed, in co-
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operation with Federal, State, local, or tribal govern-
ments, and other public or private entities. 
(2) AVAILABILITY.—Any map referred to in 
paragraph (1) shall be on file and available for public 
inspection in the appropriate offices of the National 
Park Service. 
(d) DESCRIPTION
OF SITES; PLAN; INTERPRETIVE 
PROGRAM.— 
(1) DESCRIPTION
OF
SITES; PLAN.—Not later 
than 3 years after the date that funds become avail-
able for this Act, the Secretary shall prepare a de-
scription of sites along the Route and general plan 
which shall include the location and description of 
each of the following: 
(A) Unique geographic or geologic features 
and significant landforms. 
(B) Important cultural resources. 
(2) INTERPRETIVE PROGRAM.—The general plan 
shall include proposals for a comprehensive interpre-
tive program of the Route. 
(3) TRANSMISSION
TO
CONGRESS.—The Sec-
retary shall transmit the description of sites and gen-
eral plan to the Committee on Resources of the United 
States House of Representative and the Committee on 
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Energy and Natural Resources of the United States 
Senate. 
(4) CONSULTATION.—The description of sites 
and plan shall be prepared in consultation with other 
Federal agencies, the State of Montana, the State 
Idaho, the State of Washington, and the State of Or-
egon, units of local governments, tribal governments, 
interested private citizens, and nonprofit organiza-
tions, and the Ice Age Floods Institute. 
SEC. 5. ADMINISTRATION. 
(a) IN GENERAL.—The Secretary, acting through the 
Director of the National Park Service, shall administer a 
program to interpret the Route in accordance with this Act. 
(b) PUBLIC EDUCATION.—With respect to sites linked 
by segments of the Route which are administered by other 
Federal, State, tribal, and local nonprofit or private enti-
ties, the Secretary is authorized to provide technical assist-
ance in the development of interpretive devices and mate-
rials pursuant to cooperative agreements with such entities. 
The Secretary, in cooperation with Federal, State, tribal, 
or local governments or nonprofit or private entities, shall 
prepare and distribute information for the public apprecia-
tion of sites along the Route. 
(c) MARKERS.—The Secretary shall ensure that the 
Route is marked with appropriate markers to guide the 
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