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  • All fields: ecology--Research--Colorado
(290 results)



Display: 50

    • Science plan for potential 2008 experimental high-flow at Glen Canyon Dam

    • Geological Survey (U.S.)
    • Rivers--Regulation--Environmental aspects--Colorado River (Colo.-Mexico); Flood control--Research--Colorado River (Colo.-Mexico); Sedimentation and deposition--Research--Colorado River (Colo.-Mexico); Freshwater ecology--Research--Colorado River...
    • 112 pages (PDF version). File size: 848.634 KB. The plan describes proposed monitoring and research activities to be conducted by the U.S. Geological Survey’s (USGS) Grand Canyon Monitoring and Research Center (GCMRC), if the Secretary of the...
    • Arizona Administrative Register. Volume 19, 2013

    • Arizona. Office of Secretary of State.
    • Delegated legislation--Arizona--Periodicals; Executive orders--Arizona--Periodicals.
    • The Arizona Administrative Register (A.A.R.) is an official publication of the state of Arizona and contains the rulemaking activity of the state’s agencies, including proposed, final, emergency, summary, and exempt rules. The Secretary of State’s...
    • Arizona Administrative Register. Volume 18, 2012

    • Arizona. Office of the Secretary of State.
    • Delegated legislation--Arizona--Periodicals; Executive orders--Arizona--Periodicals.
    • The Arizona Administrative Register (A.A.R.) is an official publication of the state of Arizona and contains the rulemaking activity of the state’s agencies, including proposed, final, emergency, summary, and exempt rules. The Secretary of State’s...
    • Arizona Highways, February 1972

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, February 1972

      Contents:
      1 Editor’s Letter: Arizona Is for the Birds and Bees … And People, by Joseph Stacey.
      3 Color Classics
      4 Southwestern Academy: Where education is more than absorbing facts and acquiring...
    • Arizona Highways, January 1931

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, January 1931

      Contents:
      3 Arizona’s Sharing in Emergency Aid, by W.W. Lane, State Engineer.
      5 Civilization Follows the Road, by Mrs. Lamar Cobb.
      6 Prosperity, Progress Lies Ahead, by Gov. George W.P....
    • Arizona Highways,  March 2005

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, March 2005

      Contents:

      2 LETTERS & E-MAIL
      3 TAKING THE OFF-RAMP: Explore Arizona oddities, attractions and pleasures.
      6 RECREATION. Sycamore Canyon, a Special Oasis: Just west of Nogales, this lush and...
    • Arizona Highways, May 2005

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, May 2005

      Contents:

      2 LETTERS & E-MAIL
      3 ALL WHO WANDER
      4 TAKING THE OFF-RAMP Explore Arizona oddities, attractions and pleasures.
      6 ARCHAEOLOGY Devils Chasm Ruin Holds On to Its Mysteries: Only a few...
    • Arizona Highways, July 2005

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, July 2005

      Contents:

      2 DEAR EDITOR
      3 ALL WHO WANDER
      4 VIEWFINDER
      5 TAKING THE OFF-RAMP Explore Arizona oddities, attractions and pleasures.
      8 WILD TIMES Cool Summer Fun: the high mountain...
    • Arizona Highways, September 2005

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, September 2005

      Contents:

      2 DEAR EDITOR
      3 ALL WHO WANDER There’s a synergy among squirrels, fungi and ponderosa pines.
      4 VIEWFINDER Digital manipulation of photographs is a no-no.
      5 TAKING THE...
    • Arizona Highways, February 2006

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, February 2006

      Contents:


      2 DEAR EDITOR
      3 ALL WHO WANDER Lions or lambs, ranchers or wilderness: Must we choose?
      4 VIEWFINDER Remembering a mentor.
      5 TAKING THE OFF-RAMP Explore Arizona oddities,...
    • Arizona Highways, September 2006

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, September 2006

      Contents:


      2 DEAR EDITOR
      3 ALL WHO WANDER Awe in the heart of the Earth.
      4 VIEWFINDER We found our Mittens, and the thumb is okay .
      5 TAKING THE OFF-RAMP
      8-42...
    • Arizona Highways, July 2006

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, July 2006

      Contents:


      2 DEAR EDITOR
      3 ALL WHO WANDER
      4 VIEWFINDER Great photographers dispense pithy pearls.
      5 TAKING THE OFF-RAMP
      8 THE HIGH LIFE by Brendan Leonard. Hardy hikers...
    • Arizona Highways, June 2007

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, June 2007

      Contents:


      2 DEAR EDITOR
      3 ALL WHO WANDER The gift of the Canyon.
      4 VIEWFINDER Arizona’s best campsite is revealed.
      5 TAKING THE OFF-RAMP Arizona oddities, attractions and...
    • Arizona Highways, September 2008

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, September 2008

      Contents:


      2 EDITOR’S LETTER
      3 CONTRIBUTORS
      4 LETTERS TO THE EDITOR
      5 THE JOURNAL People, places and things from around the state, including the final farewell for an Arizona icon,...
    • Arizona Highways, August 2009

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, August 2009

      Contents:


      2 EDITOR’S LETTER
      3 CONTRIBUTORS
      4 LETTERS TO THE EDITOR
      5 THE JOURNAL People, places and things from around the state, including old-school lodging (literally) in Globe,...
    • Arizona Highways, October 2009

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, October 2009

      Contents:


      2 EDITOR’S LETTER
      3 CONTRIBUTORS
      4 LETTERS TO THE EDITOR
      5 THE JOURNAL People, places and things from around the state, including an old-time prospector who’s still hoping...
    • Arizona Highways, January 2009

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, January 2009

      Contents:


      2 EDITOR’S LETTER
      3 CONTRIBUTORS
      4 LETTERS TO THE EDITOR
      5 THE JOURNAL People, places and things from around the state, including one of the healthiest places to eat in...
    • Arizona Highways, February 2009

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, February 2009

      Contents:


      2 EDITOR’S LETTER
      3 CONTRIBUTORS
      4 LETTERS TO THE EDITOR
      5 THE JOURNAL People, places and things from around the state, including one of the world’s oldest Eagle Scouts;...
    • Arizona Highways, March 2009

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, March 2009

      Contents:


      2 EDITOR’S LETTER
      3 CONTRIBUTORS
      4 LETTERS TO THE EDITOR
      5 THE JOURNAL People, places and things from around the state, including a look back at Eleanor Roosevelt’s visit to...
    • Arizona Highways, April 2009

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, April 2009

      Contents:


      2 EDITOR’S LETTER
      3 CONTRIBUTORS
      4 LETTERS TO THE EDITOR
      5 THE JOURNAL People, places and things from around the state, including the latest on a man named Wallace, why a...
    • Arizona Highways, November 2012

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, November 2012

      Contents:


      2 EDITOR’S LETTER
      3 CONTRIBUTORS
      4 LETTERS TO THE EDITOR
      5 THE JOURNAL People, places and things from around the state, including an underdog story on the South Rim of...
    • Arizona Highways, March 1996

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, March 1996

      Contents:
      2 Along the Way, For Kids in Territorial Days Life Was Lived on the Wild Side, by Chips Muehl.
      3 Letters to the Editor.
      4 City Slickers Cowboy Adventure: Riding, working cattle, sleeping...
    • Arizona Highways, August 1996

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, August 1996

      Contents:
      2 Along the Way, Fly Fishing Tips Beginners Won’t Find in How-to Books, by Peter Aleshire.
      3 Letters to the Editor.
      4 The Irresistible Challenge of the Wild Rio Colorado, by Tom...
    • Arizona Highways, October 1996

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highway, October 1996

      Contents:
      2 Along the Way, The Fateful Crash of the Celebrated Yankee Doodle, by Budge Ruffner.
      3 Letters to the Editor.
      4 Nankoweap: The Most Difficult Trail in the Grand Canyon, by Gail...
    • Arizona Highways, February 1995

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, February 1995

      Contents:
      2 ALONG THE WAY It isn’t every day that you get to meet up with an overeducated boatman who loves his job.
      3 LETTERS
      4 COVER STORY. LIFE IN A DARK PLACE The Dark Cell, prisoners...
    • Arizona Highways, November 1995

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, November 1995

      Contents:
      2 ALONG THE WAY What’s in a name? Plenty, say Apaches who are slowly working toward substituting Apache place-names for English terms.
      3 LETTERS
      4 TRAVEL. COMING SOON: THE GREAT...
    • Arizona Highways, February 1992

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, February 1992

      Contents:
      2 ALONG THE WAY Finally, a guide to pronouncing some of those mysterious Arizona place-names.
      3 LETTERS
      4 ECOLOGY. WATERWAYS AT RISK Text by Carle Hodge. Photographs by Jerry Sieve....
    • Arizona Highways, March 1990

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, March 1990

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 THE TUCSON BOYS CHORUS by Jon Kamman. One of the oldest and best-known community-sponsored boys choirs in America turns 50.
      10 ARIZONA’S SWEET BEES by...
    • Arizona Highways, September 1990

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, September 1990

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 BLM SCORES IN REAL ESTATE COUP In a classic trade-off, the historic Empire and Cienega ranches - 37,000 acres of prime grassland - are converted into a...
    • Arizona Highways, October 1990

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, October 1990

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 OUTDOOR ADVENTURE. Explore the Arizona Trail Text by Rose Houk. Photographs by Michael Collier. From the Mexican border, across wilderness areas, mountains,...
    • Arizona Highways, November 1990

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, November 1990

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 EDUCATION. NAU: A PUBLIC COLLEGE WITH AN IVY TWIST Text by Jon Kamman. Photographs by Don B. Stevenson. The “little” mountain campus in Flagstaff has...
    • Arizona Highways, June 1991

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, June 1991

      Contents:
      2 ALONG THE WAY Imagine the State Legislature looking like Noah’s Ark.
      3 LETTERS
      4 ADVENTURE. WHITE-WATER RAFTING ON THE SALT Text by Karen Brandel. Photographs by Richard D. Fisher. Even...
    • Arizona Highways, August 1991

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, August 1991

      Contents:
      2 ALONG THE WAY Palm Trees: Natives and Otherwise.
      3 LETTERS
      4 GUNFIGHTERS. BILLY THE KID Text and illustrations by Bob Boze Bell. Hundreds of books and articles have re-created the...
    • Arizona Highways, April 1989

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, April 1989

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 PAINTED MAGIC: ROCK ART OF THE ARIZONA STRIP by Ron McCoy. An Arizona Highways exclusive. Two astonishing rock art galleries filled with prehistoric...
    • Arizona Highways, February 1988

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, February 1988

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 HORSES OF ARIZONA by Joan Baeza. From all parts of our state, a report on the fierce, the proud, the mild: from mountain mustang to Thoroughbred and...
    • Arizona Highways, January 1987

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, January 1987

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 WATER AND THE DESERT DWELLER by Dennis B. Farrell. Faced with relentless population growth and limited water supplies, some Southwesterners are developing...
    • Arizona Highways, June 1987

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, June 1987

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 DREAM TRACKS: THE RAILROAD AND THE AMERICAN INDIAN by T.C. McLuhan. The Southwest unfolded with the Santa Fe and the company’s image-makers stirred...
    • Arizona Highways, May 1987

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, May 1987

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 INTERSTATE 17 by Peter Schwepker. A salute to a favorite superhighway - where “just the right kind of scenery creates special moods and that expansive feeling...
    • Arizona Highways, August 1987

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, August 1987

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 OFF-ROAD VEHICLES: A MAJOR ENVIRONMENTAL THREAT by Richard G. Stahl. Noise, dust, and pollution are only part of the impact of off-road vehicles. The damage...
    • Arizona Highways, November 1987

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, November 1987

      Contents:
      2 EDITOR’S PAGE
      3 LETTERS
      4 THE PLATEAU, THE RIM COUNTRY, THE BASIN AND RANGE by Charles Bowden. Scholars picked the terms for these three physiographic provinces of Arizona. But...
    • Arizona Highways, January 1986

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, January 1986

      Contents:
      1 EDITORIAL
      2 CACTUS, CANYONS, AND CULTURE
      16 STATE PARKS WISH LIST
      26 THE SOIL SOLDIERS
      36 SKIING ARIZONA?
      44 ARIZONIQUES
      46 BOOKS
      48 LETTERS
    • Arizona Highways, October 1986

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, October 1986

      Contents:
      2 SAN BERNARDINO RANCH
      12 SINGING WIND RANCH BOOKSTORE
      14 AUTUMN ON THE CORONADO TRAIL
      20 THE SEASON OF THE PHOTOGRAPHER
      28 ARIZONA’S UNIQUE THEOLOGICAL SCHOOL
      30 A...
    • Arizona Highways, January 1985

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, January 1985

      Contents:
      1 A CAPITAL LOST; AN OASIS OF SCIENCE AND TECHNOLOGY GAINED…
      2 UNIVERSITY OF ARIZONA. THE PROMISE OF THE FUTURE Text by Don G. Campbell. Photography by Jack Dykinga.
      28 THE FIESTA BOWL...
    • Arizona Highways, April 1985

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, April 1985

      Contents:
      SIXTY YEARS ON THE ROAD
      2 THE EARLY YEARS
      18 THE MIDDLE YEARS
      32 THE LATER YEARS
      40 SCENIC SEASONS
    • Arizona Highways, January 1984

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, January 1984

      Contents:
      1 CONTENTS
      3 THE MANIFOLD SHAPES OF TIME AND LIGHT: TUCSON’S CENTER FOR CREATIVE PHOTOGRAPHY by Estelle Jussim.
      11 ANSEL ADAMS AND THE SEARCH FOR PERFECTION by Wallace Stegner.
      14...
    • Arizona Highways, May 1984

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, May 1984

      Contents:
      1 CONTENTS
      3 ARIZONA’S ARCHITECTURE. FROM HOMEGROWN GARDEN OF ALLAH TO GREAT AMERICAN TRANSPLANT by Lawrence W. Cheek.
      10 DENNIS NUMKENA: BUILDING ON AN ANASAZI HERITAGE by Vicky Hay....
    • Arizona Highways, February 1984

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, February 1984

      Contents:
      1 CONTENTS
      3 LA CIUDAD. UNEARTHING THE FIRST PHOENIX. BENEATH A MODERN CITY AN ANCIENT CULTURE SURRENDERS ITS TIMELESS SECRETS. Story by Natalie Waugh. Photography by Jeff Kida.
      12...
    • Arizona Highways, September 1984

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, September 1984

      Contents:
      01 CONTENTS
      03 STAMPEDE! RECOLLECTIONS OF A HASHKNIFE COWBOY. A story by Stella Hughes. Drawings by Joe Beeler.
      05 ARIZONIQUES Edited by Robert J. Farrell. Designed by Lorna Holmes....
    • Arizona Highways, January 1983

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, January 1983

      Contents:
      2 WHERE GOLF IS KING Arizona is the name when golf’s the game…every beautiful sun-filled day of the year.
      12 FIVE SUPER SCENIC SOUTHWEST TOURS Here’s your how-to road guide to four of the...
    • Arizona Highways, September 1983

    • Arizona Highways Magazine
    • Arizona; Arizona Highways Magazine; Arizona Department of Transportation
    • Arizona Highways, September 1983

      Contents:
      2 ARIZONA’S RESIDENT SPACE ARTIST ROBERT McCALL by Pam Hait.
      17 DOWN THE WILD SALT. Photography and text by John Annerino.
      21 YOU HOO, OLD FRIEND! REFLECTIONS ON A COPPER CAMP’S PAST...

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