Copyright and Use Information

This site is copyrighted by the Board of Regents of the University of Wisconsin System. It is intended for the personal use of students, scholars, and the public.

The archival items reproduced here come from the collections of the Wisconsin Historical Society and are used with the society’s permission. Permission for all but personal use of these materials by others requires written application to the Wisconsin Historical Society.

The nature of historical archival collections means that copyright or other information about restrictions may be difficult to determine. Whenever possible, the Wisconsin Historical Society provides information about copyright owners and other restrictions in the catalog records, finding aids, and donor records. The society provides such information as a service to aid patrons in determining the appropriate use of an item, but the legal determination ultimately rests with the patron.

How our filenames work on this website

We have embedded the Nelson Collection box and folder numbers in the file names used in the website. You can assist the WHS archivits by citing this information and filename alphanumerics.


Images on this website are courtesy of the Wisconsin Historical Society. Use of the image requires written permission from the staff of the Division of Library-Archives. It may not be sold or redistributed, copied or distributed as a photograph, electronic file, or any other media. The image should not be significantly altered through conventional or electronic means. Images altered beyond standard cropping and resizing require further negotiation with a staff member. The user is responsible for all issues of copyright. If present, the watermark shall not be digitally erased from the image.

Crediting this website in other work

For most images and original documents, please credit:  Wisconsin Historical Society, Nelson Collection mss1020.

To credit text and graphics, please credit: Hamilton, Brian and McCalmont, Melanie. Gaylord Nelson and Earth Day: the making of the modern environmental movement. The Nelson Institute of Environmental Studies, University of Wisconsin-Madison. Accessed at

How to obtain permissions

To obtain permission to use a Wisconsin Historical Society (WHS) original document or image in your work, or for more information or assistance about copyrights and permissions, please contact:

Harold Miller
Wisconsin Historical Society
816 State Street
Madison, WI 53706
(608) 264-6459

To obtain permission to use a website text or graphic in your work, please contact:

Nelson Institute for Environmental Studies
550 N. Park Street, 122 Science Hall
University of Wisconsin-Madison
Madison, WI 53597

© Board of Regents of the University of Wisconsin System
Nelson Institute for Environmental Studies
550 N. Park St., 122 Science Hall, Madison, WI 53706
Important Copyright Notice and Usage Permissions

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