Mare's Egg Algae, Spring Creek. Photo Courtesy of Joan Rowe
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Overview for Geologic Field-Trip Guides to Mount Mazama, Crater Lake Caldera, and Newberry Volcano, Oregon
Overview for Geologic Field-Trip Guides to Mount Mazama, Crater Lake Caldera, and Newberry Volcano, Oregon Scientific Investigations Report 2017–5022–J U.S. Department of the Interior U.S. Geological Survey Cover (top photo): View east-northeast from Garfield Peak on the south rim of Crater Lake caldera. Peak on skyline is 8,929 feet (2,722 meters) Mount Scott, an ~420 thousand years before present (ka) dacite stratovolcano considered to be part of Mount Mazama, the volcano that collapsed during the caldera-forming eruption ~7,700 years ago. The caldera walls in this view expose Mazama lava flows and fragmental deposits from as old as ~400 ka at Phantom Cone, adjacent to tiny Phantom Ship island, to as young as ~27 ka at Redcloud Cliff, the V-shaped face at the top of the wall left of center. The beheaded glacial valley of Kerr Notch, the low point on the caldera rim, is seen between Phantom Ship and Mount Scott. Photograph by Carly McLanahan. Cover (bottom photo): Newberry Volcano, Oregon, is the largest volcano in the Cascades volcanic arc. This north-facing view taken from the volcano’s peak, Paulina Peak (elevation 7,984 feet), encompasses much of the volcano’s 4-by-5-milewide central caldera, a volcanic depression formed in a powerful explosive eruption about 75,000 years ago. The caldera’s two lakes, Paulina Lake (left) and the slightly higher East Lake (right), are fed in part by active hot springs heated by molten rock (magma) deep beneath the caldera. The Central Pumice Cone sits between the lakes. -
Forest Wide Hazardous Tree Removal and Fuels Reduction Project
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Chiricahua National Monument Historic Designed Landscape Historic Name
NPS Form 10-900 OMB No. 1024-0018 (Oct. 1990) United States Department of the Interior National Park Service National Register of Historic Places Registration Form This form is for use in nominating or requesting determinations for individual properties and districts. See instructions in How to Complete the National Register of Historic Places Registration Form (National Register Bulletin 16A). Complete each item by marking "x" in the appropriate box or by entering the information requested. If an item does not apply to the property being nominated, enter "N/A" for "not applicable." For functions, architectural classification, materials, and areas of significance, enter only categories and subcategories from the instructions. Place additional entries and narrative items on continuation sheets (NPS Form 10-900a). Use a typewriter, word processor, or computer, to complete all items. 1. Name of Property Chiricahua National Monument Historic Designed Landscape historic name other name/site number Wonderland of Rocks; Rhyolite Park; The Pinnacles; Say Yahdesut “Point of Rocks” 2. Location street & number: Chiricahua National Monument (CHIR) 12856 E. Rhyolite Canyon Road _____not for publication city/town: Willcox___________________________________________________________ _X_ vicinity state: Arizona_____ code: AZ __________ county: Cochise_________ code: 003_____ zip code: 85643___ 3. State/Federal Agency Certification As the designated authority under the National Historic Preservation Act, as amended, I hereby certify that this ¨ nomination ¨ request for determination of eligibility meets the documentation standards for registering properties in the National Register of Historic Places an meets the procedural and professional requirements set forth in 36 CFR Part 60. In my opinion, the property ¨ meets ¨ does not meet the National Register criteria. -
Salida Buena Vista
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Crater Lake National Park Oregon
DEPARTMENT OF THE INTERIOR HUBERT WORK. SECRETARY NATIONAL PARK SERVICE STEPHEN T. MATHER. DIRECTOR RULES AND REGULATIONS CRATER LAKE NATIONAL PARK OREGON PALISADE POINT, MOUNT SCOTT IN THE DISTANCE 1923 Season from July 1 to September 30 THE PHANTOM SHIP. FISHING IS EXCELLENT IN CRATER LAKE. THE NATIONAL PARKS AT A GLANCE. [Number, 19; total area, 11,372 square miles.] Area in National parks in Distinctive characteristics. order of creation. Location. squaro miles. Hot Springs Middle Arkansas li 40 hot springs possessing curative properties- 1832 Many hotels and boarding houses—20 bath houses under public control. Yellowstone Northwestern Wyo 3.348 More geysers than in all rest of world together- 1872 ming. Boiling springs—Mud volcanoes—Petrified for ests—Grand Canyon of the Yellowstone, remark able for gorgeous coloring—Large lakes—Many largo streams and waterfalls—Vast wilderness, greatest wild bird and animal preserve in world— Exceptional trout fishing. Sequoia. Middle eastern Cali 252 The Big Tree National Park—several hundred 1S90 fornia. sequoia trees over 10 feet in diameter, some 25 to 36 feet, hi diameter—Towering mountain ranges- Startling precipices—Mile long cave of delicate beauty." Yosemito Middle eastern Cali 1,125 Valley of world-famed beauty—Lofty chits—Ro 1890 fornia. mantic vistas—Many waterfalls of extraordinary height—3 groves of big trees—High Sierra— Waterwhcol falls—Good trout fishing. General Grant Middle eastern Cali 4 Created to preserve the celebrated General Grant 1S90 fornia. Tree, 3* feet in diameter—6 miles from Sequoia National Park. Mount Rainier ... West central Wash 321 Largest accessible single peak glacier system—28 1899 ington. -
Hike the Parks
Hike the Parks ~Rulebook~ Hello! Welcome to Hike the Parks, a U.S. National Parks game with authentic hikes and cool facts. Roll the dice to visit new states, territories and Park Sites; learn cool facts at the Visitor’s Center; go on hikes; and take pictures! Brief Summary: 1. The winner is the first player to reach 200 Joy. Change the amount to shorten or lengthen the game. 2. Joy is earned by going on hikes, taking pictures while on hikes, meeting nice hitchhikers and optionally earning badges along the way. 3. Players roll two die to travel to different U.S. states. For example, if a 2 & 3 is rolled, a player can move across a maximum of 5 state borders to visit a park for that turn. If a player only crosses 3 of the 5 allowed borders for that turn, the remaining 2 CANNOT be carried over to another turn. 4. A player gains one Energy and one Water for each state border crossed on their turn. For example, traveling from Washington to Alaska gains two Energy and two Water. 5. After crossing at least one border, a player must draw one On the Road card for that turn. If the player remains in the same state, they do not need to pick up an On the Road card. 6. After visiting a new state or deciding to stay in the same state, a player may visit one Park Site (or stay in the same Park Site) and “visit its Visitors Center” by drawing a Visitor’s Center Trivia card to learn about a random National Park Site. -
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Mount Mazama and Crater Lake: a Study of the Botanical and Human Responses to a Geologic Event
AN ABSTRACT OF THE THESIS OF Robyn A. Green for the degree of Master of Arts in Interdisciplinary Studies in Geology. Botany and Plant Pathology. and Anthropology presented on June 3. 1998. Title: Mount Mazama and Crater Lake: A Study of the Botanical and Human Responses to a Geologic Event Abstract approved: / Robert J. Lillie Crater Lake, located in the southern Cascade mountains of Oregon, is the seventh deepest lake in the world. Unlike a majority of the deepest lakes in the world, found in continental rift valleys, Crater Lake is in the caldera of a volcano. For the young at heart and mind, those willing to descend (and ascend) about 700 feet to Cleetwood Cove can undertake a boat tour of Crater Lake. From the boat, Crater Lake is more than just a beautiful blue lake; it becomes the inside of a volcano, where the response of people and plants to a geologic event can be investigated. The catastrophic eruption of Mount Mazama 7,700 years ago affected both plant and human populations. Before pumice and ash from the volcano blanketed the landscape like freshly fallen snow, the forests to the east of Mount Mazama were dominated by ponderosa and lodgepole pine. Within the immediate vicinity of the volcano all life was obliterated; the force of the eruptive material toppled vegetation and buried it with ash and pumice. Through the recovery process of succession, life has slowly returned to Crater Lake. Forests surrounding the lake are now dominated by mountain hemlock, whitebark pine, and lodgepole pine. These plants not only depict the process of succession, but also of adaptation to a volcanic environment. -
Crater Lake National Park Oregon
DEPARTMENT OF THE INTERIOR ALBERT B. FALL. SECRETARY NATIONAL PARK SERVICE STEPHEN T. MATHER, DIRECTOR RULES AND REGULATIONS CRATER LAKE NATIONAL PARK OREGON Photograph by Senic America Co. APPLEGATE PEAK FROM DUTTON CLIFF SEASON FROM JULY 1 TO SEPTEMBER 20 THE NATIONAL PARKS AT A GLANCE. [Number, 19; total area, 11,304 square miles.] National parks in , .. Area in order of creation Location. square Distinctive characteristics. miles. Hot Springs Middle Arkansas 1], 46 hot springs possessing curative properties— 1332 Many hotels and boarding houses—17 bath houses under public control. Yellowstone Northwestern Wye- 3,348 More geysers than in all rest of world together— 1872 ming. Boiling springs—Mud volcanoes—Petrified for ests—Grand Canyon of the Yellowstone, remark able for gorgeous coloring—Large lakes—Many large streams and waterfalls—Vast wilderness, reatest wild bird and animal preserve in world— fexceptional trout fishing. Sequoia Middle eastern Cali- 252 The Big Tree National Park—several hundred 1890 forma. sequoia trees over 10 feet in diameter, some 25 to 36 feet in diameter—Towering mountain ranges— Startling precipices—Mile long cave of delicate beauty. Yosemite Middle eastern Cali- 1,125 Valley of world-famed beauty—Lofty cliffs—Ro- 1890 fornia. man (ic vistas—Many waterfalls of extraordinary height—3 groves of big trees—High Sierra— Waterwheel falls—Good trout fishing. General Grant Middle eastern Cali- 4 Created to preserve the celebrated General Grant 1890 fornia. Tree, 35 feet in diameter—6 miles from Sequoia THE 1'IIANTOM SHIP. National Park. Mount Rainier ... West central Wash- 324 Largest accessible single peak glacier system—28 1899 ington. -
Copyrighted Material
41_769835 bindex.qxd 3/29/06 7:59 PM Page 663 Index Abbotts Lagoon Trail, 467 campgrounds and RV Bryce Canyon, 106–107 The Abyss, 254 parks, 25–26 Capitol Reef, 141 Achenbach Trail, 555–556 day hikes, 20–23 Carlsbad Caverns, 156 Agate Bridge, 456 exploring the park by Glacier, 228 Agate House, 457–458 car, 18–19 Grand Teton, 302–303 Agnes Gorge Trail, 420 fees and permits, 18 Great Basin, 325 Agua Canyon Overlook, 103 one-day itinerary, 18 Guadalupe Mountains, Ahwahneechee, 606 organized tours and 343 Air tours ranger programs, North Cascades, 421–422 Badlands, 40 19–20 Redwood, 479–480 the Black Hills, 88 picnic and camping Saguaro, 515 Canyonlands, 124 supplies, 31–32 Sequoia and Kings Glacier, 225 restaurants, 29–31 Canyon, 534–536 Grand Canyon, 264–265 seasons and climate, 18 Theodore Roosevelt, Alaska, 7 special regulations and 555–556 Alaska Basin, 303 warnings, 18 Yellowstone, 578–580 Alberta Falls Trail, 492 sports and activities, Zion, 648 Albright Visitor Center, 564 23–25 Backcountry permits, 7–8 Alpine Lakes Loop, 323 tips from a park Backcountry skiing. See Alpine Pond Trail, 659 ranger, 17 Cross-country and back- Alpine Visitor Center, 489 traveling to, 16 country skiing Alta Peak–Alta Meadow, 535 visitor center, 18 Backcountry trips, planning, Alta Vista, 398 visitor information, 12–13 Alvino House, 51 16–17 Badger House Community Amphitheater Lake Arch Point Loop Trail, 175 Trail, 378 Trail, 301 Arch Rock, 166 Badlands Loop Road, 38 Anacapa, 165, 166–168 Artist Paint Pot Trail, Badlands National Park, Anasazi Heritage 567, -
Geologic Map of the Collegiate Peaks Wilderness Area and the Grizzly Peak Caldera, Sa Watch Range, Central Colorado
U. S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY GEOLOGIC MAP OF THE COLLEGIATE PEAKS WILDERNESS AREA AND THE GRIZZLY PEAK CALDERA, SAWATCH RANGE, CENTRAL COLORADO By C.J. Fridrich, Ed DeWitt, Bruce Bryant, Steve Richard, and R.P. Smith Pamphlet to accompany MISCELLANEOUS INVESTIGATIONS SERIES MAPI-2565 1998 CONTENTS Explanatory notes 1 Description of Map Units 1 Acknowledgments 26 References Cited 26 FIGURES 3. Summary geochemical diagrams for rocks of the Grizzly Peak caldera. 2 4. Summary geochemical diagrams for Cretaceous and Tertiary intrusive rocks in the Aspen area. 6 5. Summary geochemical diagrams for the Italian Mountain intrusive complex. 7 6. Summary geochemical diagrams for altered intrusive rocks at Middle Mountain and Winfield Peak. 8 7. Summary geochemical diagrams for rocks of the Mount Champion area. 9 8. Summary geochemical diagrams for intrusive rocks of the Mount Princeton Pluton. 10 9. Summary geochemical diagrams for intrusive rocks of the Twin Lakes Pluton. 11 10. 40Ar- 39Ar release spectra for hornblende from sample R8-28-84-4 of mafic border of Twin Lakes pluton. Width of bars on spectra is 2-sigma uncertainty. 13 11. Summary geochemical diagrams for Cretaceous plutons east of the Twin Lakes pluton. 15 12. Summary geochemical diagrams for 1.4-Ga plutons and plutons assumed to be 1.4 Gain the central Sawatch Range area. 17 13. Concordia diagram for zircon from sample IC-6 of the St. Kevin Granite. Size of symbol represents 2-sigma analytical uncertainty. 18 14. Summary geochemical diagrams for some 1.65-Ga and older plutons in the central Sawatch Range area. -
Crater Lake National Park
CRATER LAKE National Pa^rR O T*~ E O O W UNITED STATES RAILROAD ADMINISTRATION N AT IONAU PARK SERIES Reflections stand out distinctly in water that gleams as though glazed by the sun Looking "Over the Top" Page two An Appreciation of (rater Lake National Park By WINSTON CHURCHILL, Author of "The Crisis," "Richard Carvel," "The Crossing," etc. Written Especially for the United States Railroad Administration i|T IS not so man) years ago that I left San Francisco with a case of rods, bound for Crater Lake in Oregon. What I had heard about the place had filled me with awe and expectation, tempered by a little skepticism. I was personally conducted by patriotic and hos pitable Oregonians who met me in sight of the fountains of Klamath, put me in a motor car and sped me northward through great forests and across wide prairies which once, not long since, had been an almost inaccessible wilderness. The immensity of the extinct volcano whither we were bound, that in prehistoric times had strewn the entire countryside with powdered stone, was hard to grasp. It was July. We climbed the wooded slopes to the snows, forged through the melting drifts to the very lip of the crater and suddenly looked down upon a scene celebrated in Indian myth, and unique in all America. Some thousand feet below us lay a bottomless crystal lake, six miles across dotted with black volcanic islands. My delight in the grandeur of this view, it must be confessed, was heightened by the knowledge that the lake was in habited by large rainbow trout which would rise to the fly.