Last Updated: March 26, 2026
The Geospatial Centroid at Colorado State University ("we," "us," or "our") operates the Historic Map Explorer. This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our service.
We use Google Analytics to understand how visitors engage with our historic map collections. This helps us improve the user experience and report impact to our stakeholders.
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Usage Data: We collect information that your browser sends whenever you visit our app. This may include your computer's IP address, browser type, browser version, the pages of our app that you visit, the time and date of your visit, and the time spent on those pages.
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Cookies: Google Analytics uses "cookies"—small text files placed on your device—to collect standard internet log information and visitor behavior information in an anonymous form.
The information gathered is used to:
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Monitor and analyze web traffic and usage trends
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Identify which historic maps are most frequently viewed
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Improve the technical performance and interface of the map explorer.
To protect your privacy, we have configured Google Analytics to anonymize IP addresses. This means your full IP address is never stored on Google’s servers, and we cannot identify individual users from the data collected.
We do not sell, trade, or otherwise transfer your data to outside parties. As a university project, data is only used for internal research and site optimization. Google’s ability to use and share information collected by Google Analytics is restricted by the Google Analytics Terms of Service and the Google Privacy Policy.
You can prevent Google Analytics from recognizing you on return visits to this site by:
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Disabling cookies in your browser settings.
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Installing the Google Analytics Opt-out Browser Add-on.
If you have questions about this Privacy Policy, please contact the Geospatial Centroid at gis_help@colostate.edu..