Welcome to ETC's collection of historic maps. Here you will find over 5,000 maps representing many different time periods. This link takes you directly to maps of the United States. A friendly license allows teachers and students to use up to 25 maps in non-commercial school projects without further permission. All maps are available as GIF or JPEG files for screen display as well as in PDF for printing. Use the GIF or JPEG maps for classroom presentations and student websites. Use the PDF maps for displays, bulletin boards, and printed school reports.
-- Description from website
C.A.R.S Evaluation
The CARS checklist for evaluating internet sources: c redibility, a ccuracy, r easonableness, and s upport.
Evaluator's role:
Librarian
Credibility
Evaluation Goal: an authoritative source, a source that supplies some good evidence that allows you to trust it.
Evidence of credibility:
Authorship from a known and respected organization (corporate, governmental, or non-profit)
Evidence of credibility:
Site provides contact information
Evidence of credibility:
Site has few, if any, grammatical and spelling errors
Accuracy
Evaluation Goal: a source that is correct today (not yesterday), a source that gives the whole truth.
Evidence of accuracy:
The site has been updated recently
Evidence of accuracy:
The site clearly states its purpose and/or intended audience
Evidence of accuracy:
The site focuses on providing facts rather than just opinions
Evidence of accuracy:
The site uses footnotes and/or clearly identifies its sources
Reasonability
Evaluation Goal: a source that engages the subject thoughtfully and reasonably, concerned with the truth.
Evidence of reasonableness:
The site doesn't use inflammatory or abusive language
Evidence of reasonableness:
The site's sponsor and/or author doesn't have any obvious conflicts of interests
Evidence of reasonableness:
The site has no obvious factual errors
Support
Evaluation Goal: a source that provides convincing evidence for the claims made, a source you can triangulate (find at least two other sources that support it).
Evidence of support:
The site provides links to further information from a variety of sources.
Evidence of support:
The site provides a way to contact the author and/or sponsor.
Evidence of support:
At least some of the site's information has been verified (by the evaluator) from another source.
Evidence of support:
The site includes references and/or footnotes to information sources.
