Watershed boundaries, hydrography, stream gage locations, and impervious surface area shapefiles for Difficult Run watershed in Fairfax County, VA, USA

This resource includes shapefiles of spatial features from Difficult Run in Fairfax County, VA, USA. These data are frequently used in support of hydrologic observational and modeling studies. Layers include hydrography, watershed and subwatershed boundaries, fraction impervious surface area, and stream gage locations. The stream gage locations correspond to USGS stream gaging stations 01645704 (Fox Lake), 01645762 (Vienna), and 01646000 (Great Falls).

本资源包括来自美国弗吉尼亚州费尔法克斯县Difficult Run地区的空间特征Shapefiles。这些数据常被用于支持水文观测和建模研究。图层包括水文地理、流域及子流域边界、非渗透地表面积分数以及河流流量站位置。河流流量站位置与USGS河流监测站01645704（Fox Lake）、01645762（Vienna）和01646000（Great Falls）相对应。