This map shows slope, broken into 0 to 25%, 25 to 35% and 35% plus categories. Slope percentage, also know as gradient, pitch, or rise, is often calculated as a ratio of "Rise" to "Run" or as a fraction, "Rise over Run" in which rise is the vertical distance and run is the horizontal distance.
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The City of Oregon City makes no representations, express or implied, as to the accuracy, completeness and timeliness of the information displayed. This map is not suitable for legal, engineering, or surveying purposes.