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Raven's Perch Media
Raven's Perch Media
BIBLIOGRAPHICAL AND HISTORICAL RESOURCES IN THE GRAND CANYON AND LOWER COLORADO RIVER REGIONS OF THE UNITED STATES AND MEXICO
  • HOME
  • 50 YEARS
  • NEW!
  • Publications List
  • THE GRAND CANON
    • New Users
    • Abstract
    • Executive Overview
    • Map / Mapa
    • Pictorial Introduction
  • INTRODUCTION TO THE BIBLIOGRAPHY
    • Volume Contents
    • Preamble (or, Read Me)
    • Introduction and Coverage
    • Surveys and Commentaries
    • Statistics
  • BIBLIOGRAPHY (INDIVIDUAL PARTS)
    • DETAILED Table of Contents for the Bibliography Only
    • Explanation of Item Numbers and Cross-Listings
    • Part 1: BIBLIOGRAPHICAL PUBLICATIONS
    • Parts 2-10: GENERAL & SPECIAL-INTEREST SUBJECTS
      • Part 2 – General Publications
      • Part 3 – The New York Times
      • Part 4 – Memorials
      • Part 5 – Publications for People with Disabilities
      • Part 6 – Publications for and By Youth and Young Adults
      • Part 7 – Fiction
      • Part 8 – Verse
      • Part 9 – Travel and Trail Guides
      • Part 10 – Colorado River Guides
    • Parts 11-12 : LOWER COLORADO RIVER REGION (Below Grand Canyon) : Specialized Material
      • Introduction to Parts 11 & 12
      • Part 11 – Environment, Natural History, and Special Scientific, Technical or Cultural Issues of the Lower Colorado River Region
      • Part 12 – Water Supply, Management and Policy
    • Parts 13-17: HUMAN AFFAIRS
      • Part 13 – Administrative and Management Issues in the Grand Canyon and Lower Colorado River Regions
      • Part 14 – Sociology, Recreation, Education, Economics, and Related Subjects in the Grand Canyon – Lake Mead Region
      • Part 15 – Health and Safety in the Grand Canyon – Lake Mead Region
      • Part 16 – Archaeology and Cultural Resources in the Grand Canyon Region
      • Part 17 – Native Americans in the Grand Canyon Region
    • Parts 18-24: ENVIRONMENTAL, BIOLOGICAL & EARTH SCIENCES
      • Part 18 – Physical Environment of the Grand Canyon and the Southwest Region
      • Part 19 – Biology and Ecology of the Grand Canyon Region
      • Part 20 – Glen Canyon Environmental Studies Program
      • Part 21 – Geology and Paleontology of the Grand Canyon Region
      • [Special Addition] Bibliography of Paleontology of the Grand Canyon Region
      • Part 22 – Hydraulics and Hydrogeology of the Colorado River in Lower Glen, Marble, and Grand Canyons
      • Part 23 – Geological Field Guides in the Grand Canyon Region
      • Part 24 – Geologic and Special Topographic Maps in the Grand Canyon Region
    • Parts 25-29: GRAPHIC, AUDIO & DIGITAL MEDIA
      • Part 25 – General Maps of the Grand Canyon and Lower Colorado River Regions
      • Part 26 – Audio-Visual Works and Photographic Publications on the Grand Canyon and Lower Colorado River Regions
      • Part 27 – Audio Works and Musical Scores on the Grand Canyon and Lower Colorado River Regions
      • Part 28 – Separate Imagery in the Grand Canyon and Lower Colorado River Regions
      • Part 29 – Computer and Interactive Media for the Grand Canyon and Lower Colorado River Regions
    • Parts 30-32: OTHER GUIDES
      • Part 30 – Book Reviews and Similar Notices Regarding Publications About the Grand Canyon and Lower Colorado River Regions
      • Part 31 – Newspaper Guide for the Grand Canyon and Lower Colorado River Regions
      • Part 32 – Marginalia Relating to the Grand Canyon or Lower Colorado River Region
    • Appendices to the Bibliography
  • VOLUME 2: CARTOBIBLIOGRAPHY
  • VOLUME 3: COLOSSAL MIRROR
  • SPECIALIZED BIBLIOGRAPHIES AND HISTORICAL VOLUMES
    • SPECIAL BIOLOGICAL BIBLIOGRAPHIES
    • OTHER SPECIAL BIBLIOGRAPHIES & HISTORICAL VOLUMES
  • Copyright/Fair Use
  • About / Contact
  • Colophon
  • [Raven’s Perch Annex]

50 YEARS

The Grand Canyon and Lower Colorado River Bibliography Project has been managed by Earle E. Spamer since September 1974. Download some personal recollections and reflections on the project's 50-year growth—and a few thoughts for the future.

Download "50 YEARS" (PDF, 360 KB), 13 pp.

Flip Book is Available:  https://online.fliphtml5.com/ryvqb/dgtw/

Copyright © 2025 Earle E Spamer