THIS WEBSITE LAST UPDATED ON 14 APRIL 2025
WELCOME TO RAVEN'S PERCH MEDIA
a resource service and reference library for all who have interests or stakeholder concerns in the Grand Canyon and Lower Colorado River regions of the United States and Mexico
EST. 1974

USEFUL FINE PRINT : THE RAVEN'S PERCH MEDIA WEBSITE DISPLAYS FLUIDLY ON DIFFERENT DEVICES — APPEARANCES WILL VARY. DESKTOP SCREENS ARE RECOMMENDED. NO LOG-INS ARE REQUIRED. NO INFORMATION IS ASKED FOR. NO COOKIES ARE USED.
THIS IS PRINCIPALLY A LIBRARY. MOST ITEMS FROM RAVEN’S PERCH MEDIA ARE DOWNLOADABLE SEARCHABLE PDFs. FILE SIZE IN MEGABYTES (MB) AND NUMBER OF PAGES ARE INDICATED ON EACH DOWNLOAD BUTTON. MANY OF THE PDFs EMBED ACTIVE HYPERLINKS THROUGHOUT, TO ALLOW USERS THE OPTION TO NAVIGATE TO OTHER PLACES IN THE PUBLICATION OR TO EXTERNAL WEBSITES. MOST PDFs ARE DESIGNED IN BOOK LAYOUT FOR OPPOSING-PAGE VIEWING ON WIDE SCREENS, BUT VIEWING AS SEQUENTIAL PAGES IS SATISFACTORY.
AS OF APRIL 2025, NEARLY ALL PUBLICATIONS ARE ALSO AVAILABLE AS ONLINE FLIP BOOKS — LINKS ARE PROVIDED ALONGSIDE THE PDF DOWNLOAD BUTTONS. FLIP BOOKS ARE OFFERED AS A CONVENIENCE FOR SOME USERS, WHO MAY NOT NEED TO DOWNLOAD PDFs. THE FLIP BOOKS CANNOT BE DOWNLOADED BUT ARE FULLY SEARCHABLE, AND EMBEDDED HYPERLINKS AND URLs ALL ARE ACTIVE. THE URLs FOR THE FLIP BOOKS CAN BE COPIED AND SHARED. LIMITED PAGE SAVING AND SHARING FROM THE FLIP BOOKS IS POSSIBLE.
THE SEPARATELY AVAILABLE PUBLICATIONS LIST (SEE TAB) IS A TRANSPORTABLE PDF. IT CONTAINS ALL PUBLICATION DESCRIPTIONS AND DIRECT DOWNLOAD LINKS FOR PDFs AND LINKS TO THE ONLINE FLIP BOOKS. LIST USERS DO NOT HAVE TO SEPARATELY ACCESS THE RAVEN'S PERCH WEBSITE.
URLs FOR RAVEN'S PERCH MEDIA PUBLICATIONS ARE PERSISTENT FOR AS LONG AS THE HOST OF THE RAVEN'S PERCH MEDIA WEBSITE REMAINS ACTIVE. URLs FOR FLIP BOOKS MAY BE TRANSIENT BECAUSE THEY ARE NOT HOSTED BY RAVEN'S PERCH MEDIA. USERS ARE ENCOURAGED TO DOWNLOAD PDFs TO INCORPORATE INTO DIGITAL LIBRARIES.
CLICK OR TAP ON THE MAIN WEBSITE TABS FOR MORE INFORMATION ABOUT THOSE TAB CATEGORIES. OPENING DROP-DOWNS UNDER SOME TABS BYPASSES TEXT OR ILLUSTRATIONS THAT APPEAR UNDER THE MAIN TAB.
THE PRINCIPAL LANGUAGE OF THIS WEBSITE AND ITS PRODUCTS IS ENGLISH. INDIVIDUAL CITATIONS IN "THE GRAND CANON" (see below) MAY BE IN ANY ONE OF 115 LANGUAGES, INCLUDING NON-ROMAN ORTHOGRAPHIES.
T H I S W E B S I T E C O N T A I N S
THE GRAND CANON
[canon: an essential guide or list]
An Augmented Worldwide Bibliography of the Grand Canyon and Lower Colorado River Regions of the United States and Mexico
111,000 citations in 115 languages produced during the 16th to 21st centuries
Click or tap on "THE GRAND CANON" MAIN TAB for basic information and DOWNLOAD LINKS for Volumes 1–3
Volume 1/Parts A and B. Introduction and Bibliography
Volume 2. Cartobibliography
Volume 3. Grand Canyon: Colossal Mirror
SPECIAL BIBLIOGRAPHIES AND HISTORICAL VOLUMES
Under the "SPECIALIZED BIBLIOGRAPIES AND HISTORICAL VOLUMES" tab are two subtabs:
SPECIAL BIOLOGICAL BIBLIOGRAPHIES
This section of the website contains separate bibliographies for specific groups of biological taxa, relating chiefly to the Grand Canyon region.
OTHER SPECIAL BIBLIOGRAPHIES AND HISTORICAL VOLUMES
This section of the website contains publications of historical interest to all readers and special (non-biological) bibliographies of interest to historians, administrators or resource managers, relating to the Grand Canyon and Lower Colorado River regions.
Homepage photo courtesy of National Park Service, Grand Canyon National Park
