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Norra Järvafältet 1860-tal

Gathright Dam and Lake Moomaw fishing and recreation map, George Washington National Forest : 1990

Denali Park Map 2011 - Public domain geographic map

Conservation strategy for Silene spaldingii (Spalding's catchfly) in Montana (20323637720)

Range-wide status assessment of cirsium longistylum (long-styled thistle) (2004) (20994498379)

Fs-110-00-f1 - Public domain copyright free geographic map

NPS little-bighorn-geologic-map - Public domain map

NPS Sites in Alaska - Public domain geographic map

United States Geological Survey Map Chehalis River, Published 1992

code Related

Public Domain Images - Alaska range squall

NPS Sites in Alaska - Public domain geographic map

NPS Sites in Alaska Subduction Zone

National parks: del - public domain image

Subduction Zone—Kenai Fjords National Park, Alaska

National parks: Axe - public domain image

Public domain Art in NGA - Public domain dedication, National Gallery of Art

Public domain Art in NGA - Public domain dedication, National Gallery of Art

National parks: del - public domain image

NPS Sites in Alaska - Public Domain image, National Parks Gallery

description

Summary

The terrane accretion that built Alaska onto the rest of North America over the past 200 million years includes the continental collision that formed the Brooks Range in the northern part of the state. The North Slope formed as the colliding continent pulled away and opened the Arctic Ocean. NP = National Park; NM = National Monument; NPres = National Preserve. Letters in ovals refer to National Park Service sites in the Brooks Range listed near the top of this page.

label_outline

Tags

plate tectonics geology geologic resources division nps sites brooks range national park service sites national park national monument national preserve north america north slope terrane accretion million years arctic ocean national parks gallery ultra high resolution high resolution national monuments alaska
date_range

Date

2019
create

Source

National Parks Gallery
link

Link

https://npgallery.nps.gov/
copyright

Copyright info

Public Domain Dedication

label_outline Explore Terrane Accretion, National Preserve, Nps Sites

Lone wildflower blooming on the desert landscape, Oregon Pipe Cactus National Monument, 2015.

An icebow, an optical phenomenon caused by sunight

Petty Officer 1st Class David Bradbury (left) and Petty

Grand Portage National Monument, Buildings Complex, Off Highway 16, Northeast tip of Lake Superior, Grand Marais, Cook County, MN

Types of Glaciers: Rock Glacier, Sourdough Peak Rock Glacier in the Winter

Middle Rocky Mountains - National Parks Gallery

Views at Great Sand Dunes National Monument and Preserve, Colorado

Bluffs are in bloom, Scotts Bluff National Monument, 2015.

Lava and steam on the coastline of Hawaii Volcanoes National Park.

Agate Fossil Beds - Bone Cabin - Public Domain image, National Parks Gallery

Water dropping into a cave pool, Timpanogos Cave National Monument, 2016.

AERIAL VIEW NORTH FROM ABOVE THE CHANDALAR SHELF TOWARD DIETRICH PASS. COVERS MILES 170 (LOWER LEFT) TO 165 (UPPER... - NARA - 550509

Topics

plate tectonics geology geologic resources division nps sites brooks range national park service sites national park national monument national preserve north america north slope terrane accretion million years arctic ocean national parks gallery ultra high resolution high resolution national monuments alaska