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Author: Mary Frances Strong
Publisher:
ISBN: 9780910652155
Category : Colorado Desert (Calif. and Mexico)
Languages : en
Pages : 0
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Book Description
Field guide to the gems and minerals of the Mohave and Colorado Deserts. Includes maps and photos.
Author: Mary Frances Strong
Publisher:
ISBN: 9780910652155
Category : Colorado Desert (Calif. and Mexico)
Languages : en
Pages : 0
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Book Description
Field guide to the gems and minerals of the Mohave and Colorado Deserts. Includes maps and photos.
Author: Mary Frances Strong
Publisher:
ISBN:
Category : Precious stones
Languages : en
Pages : 81
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Book Description
Author: James R. Mitchell
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 190
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Book Description
Detailed maps and descriptive text lead the rock-hound to over 70 of the best sites from San Luis Obispo to the Mexican border.
Author: James R. Mitchell
Publisher:
ISBN: 9781889786483
Category : Minerals
Languages : en
Pages : 0
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Book Description
New Mexio is a rockhound's paradise. From micromount and gem quality mineral specimens to fossil pieces of life forms millions of years old there is something of interest for both the novice and experienced collector. This latest fully revised editon of 118 sites updates the old ones and adds 23 new sites. Photos, maps, and detailed site descriptions including GPS coordinates, tools needed, and driving conditions help, along with a mineral locator index, glossary, list of museums and rock clubs plus a full color specimen photo insert.
Author: James R. Mitchell
Publisher:
ISBN: 9780935182873
Category : Minerals
Languages : en
Pages : 0
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Book Description
Welcome to rockhounding in Utah. In this best-selling guide, the gem hunter is led to landscapes as diverse as the gems, minerals, and fossils found there. B/W photos highlight the collecting area. A special color section aids in identifying the specimens. Ideal for both the rockhound who is just starting out and for the collector who has been discovering Utah's treasures for years.
Author: Diana Lindsay
Publisher: Wilderness Press
ISBN: 0899975909
Category : Travel
Languages : en
Pages : 317
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Book Description
Now in its expanded 5th edition, The Anza-Borrego Desert Region offers complete coverage of the over 1 million acres of desert lands, including Anza-Borrego State Park, Ocotillo Wells State Vehicular Recreation Area (OWSVRA), parts of the Santa Rosa and San Jacinto Mountains National Monument, and adjacent BLM recreational and wilderness lands.
Author: Karen Berger
Publisher: Rizzoli Publications
ISBN: 0789327414
Category : Sports & Recreation
Languages : en
Pages : 0
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Book Description
INDIEFAB Book of the Year Awards -- 2014 GOLD Winner for Adventure & Recreation Society of American Travel Writers Eastern Chapter -- Gold Award Society of American Travel Writers Foundation -- 2015 Lowell Thomas Travel Award for Best Travel Book A hiker’s dream bucket list is embodied in this lavishly illustrated celebration of more than 50,000 miles of America’s most iconic trails. Celebrating the forty most important trails in America, this volume takes the reader through forty-nine states and eight national parks. Literally tens of millions of tourists and hikers visit these trails each year, some of which wind through the country’s most scenic natural wonders and virtually every major ecosystem in America. Each featured trail has its own section, complete with a map and photo gallery, and the reader explores what makes it one of the most magnificent hiking experiences anywhere in the world. Trail histories accompany detailed hiker-friendly descriptions that highlight the most scenic spots, with suggestions for shorter weekend and day hikes. The stunning photographs take the reader on a visual adventure conducted by Bart Smith, the first person to hike all eleven National Scenic Trails from end to end. America’s Great Hiking Trails is perfect for anyone interested in outdoor recreation and conservation.
Author: J. Smeaton Chase
Publisher: Chase Press
ISBN: 1406756687
Category : History
Languages : en
Pages : 468
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Book Description
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 Excerpt: ...earth. r' = radius of moon, or other body. P = moon's horizontal parallax = earth's angular semidiameter as seen from the moon. f = moon's angular semidiameter. Now = P (in circular measure), r'-r = r (in circular measure);.'. r: r':: P: P', or (radius of earth): (radios of moon):: (moon's parallax): (moon's semidiameter). Examples. 1. Taking the moon's horizontal parallax as 57', and its angular diameter as 32', find its radius in miles, assuming the earth's radius to be 4000 miles. Here moon's semidiameter = 16';.-. 4000::: 57': 16';.-. r = 400 16 = 1123 miles. 2. The sun's horizontal parallax being 8"8, and his angular diameter 32V find his diameter in miles. ' Am. 872,727 miles. 3. The synodic period of Venus being 584 days, find the angle gained in each minute of time on the earth round the sun as centre. Am. l"-54 per minute. 4. Find the angular velocity with which Venus crosses the sun's disc, assuming the distances of Venus and the earth from the sun are as 7 to 10, as given by Bode's Law. Since (fig. 50) S V: VA:: 7: 3. But Srhas a relative angular velocity round the sun of l"-54 per minute (see Example 3); therefore, the relative angular velocity of A V round A is greater than this in the ratio of 7: 3, which gives an approximate result of 3"-6 per minute, the true rate being about 4" per minute. Annual ParaUax. 95. We have already seen that no displacement of the observer due to a change of position on the earth's surface could apparently affect the direction of a fixed star. However, as the earth in its annual motion describes an orbit of about 92 million miles radius round the sun, the different positions in space from which an observer views the fixed stars from time to time throughout the year must be separated ...
Author: James R. Mitchell
Publisher:
ISBN:
Category : Travel
Languages : en
Pages : 216
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Book Description
From agate to zeolite, detailed maps and text lead collectors to more than 80 of the best locations throughout the state. Color and B/W photos highlight collecting areas and the specimens found there.
Author: James Klein
Publisher:
ISBN: 9780935182811
Category : Gold mines and mining
Languages : en
Pages : 0
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Book Description
Expanded and updated edition of a classic best-seller. Desert gold locations in Nevada, New Mexico and Utah have been added. Locations in California and Arizona have been updated. New maps make locating areas easy. Chapter on nugget shooting details recent changes.
