USA Historic Sites

Retirement Notice: This item is in mature support as of August 2025 and will be retired in December 2026. Please use this source dataset and follow the steps in the From Vector to Raster blog as a replacement for this service. Esri recommends updating your maps and apps. Historic sites include areas where significant historical events of cultural interest occurred. These range from National Historic Parks, Sites, Trails, and Preserves to state, local, and areas held in trust. Dataset Summary Phenomenon Mapped: Historic Sites in the United States Units: Meters Cell Size: 30.92208102 meters Source Type: Discrete Pixel Type (Image): 1-bit Pixel Type (Mosaic/Service): 8-bit unsigned integer Data Coordinate System: WGS 1984 Mosaic Projection: Web Mercator Auxiliary Sphere Extent: 50 United States, District of Columbia, Puerto Rico, US Virgin Islands, and Guam Source: USGS National Gap Analysis Program PAD-US version 3.0 Publication Date: July 2022 ArcGIS Server URL: https://landscape10.arcgis.com/arcgis/ The polygon vector layer was converted to raster layers using the Polygon to Raster Tool using the National Elevation Dataset 1 arc second product as a snap raster. A hosted feature service created from these data is also available.退役通知：本数据集自2025年8月起进入成熟支持阶段，并将于2026年12月正式退役。请使用本源数据集并遵循《From Vector to Raster（从矢量到栅格）》博客中的步骤作为该服务的替代方案。Esri建议您更新相关地图与应用程序。 历史遗址指发生过具有文化价值的重大历史事件的区域，涵盖国家历史公园、历史遗址、历史步道、自然保护区，以及州级、地方级与托管保护区域。 数据集概览 制图对象：美国境内历史遗址 单位：米 像元尺寸：30.92208102米 源数据类型：离散型 像元类型（影像）：1位 像元类型（镶嵌数据集/服务）：8位无符号整数 数据坐标系：WGS 1984 镶嵌投影：Web Mercator辅助球体 覆盖范围：美国本土50州、哥伦比亚特区、波多黎各、美属维尔京群岛及关岛 数据源：美国地质调查局（USGS）国家间隙分析计划（National Gap Analysis Program）PAD-US 3.0版本 发布日期：2022年7月 ArcGIS Server服务地址：https://landscape10.arcgis.com/arcgis/ 本多边形矢量图层通过多边形转栅格工具（Polygon to Raster Tool），以1弧秒分辨率的国家高程数据集（National Elevation Dataset）作为捕捉栅格，转换为栅格图层。此外还可获取基于该数据集创建的托管要素服务（hosted feature service）。