We use the term 'Historic' broadly and it generally means that the community no longer exists. However, it can also mean that the community might still exist, but was significantly larger or had a more 'official' existence in the past than it does now. Unfortunately our sources of data have proven to be unreliable. If you can provide us with more specific information about Altorado, please let us know so that we can improve our accuracy.
An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
Area code (587) is an overlay for area code (403).
Our distances are not driving distances, but are calculated as a 'straight-line' (or point-to-point) distance. A straight line distance ignores obstructions like rivers, canyons, lakes, et cetera - it's truly a line from Point A (ie- Altorado) to Point B.
If you need the driving distance (or directions), we recommend that you use one of the Mapping Services listed on our Map Page for Altorado. Since we usually use Google Maps for our own planning, we've provided the following link for your convenience: Google Map and Driving Directions starting from Altorado
Our distance measurements begin at a specific point in Altorado. The point we use is located at these GPS coordinates - Latitude: 49.4695, Longitude: -111.4303
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If we have found a location and have questions about the accuracy of our information, we will simply say that the marker is 'in the vicinity'. We are not confident about the location and the position of our marker is only a rough guide. If we have too many doubts about the location, we will not include it in our database.