CRA

This feature class was developed to represent the CRA Area and its associated attributes for the purpose of mapping, analysis, and planning. The accuracy of this data varies and should not be used for precise measurements or calculations. CRA and 2009 Expansion Areas.本要素类（feature class）旨在服务于制图、分析与规划工作，用于表征CRA区域（CRA Area）及其关联属性。本数据精度存在差异，不得用于精密测量或计算。本数据集涵盖CRA区域及2009年扩展区域。