1981 Map of Sandy Spring

About this map

Olney serves as a clear focal point in this 1981 orthophotoquad, showing a distinctive transition from organized suburban expansion to the traditional agricultural patterns of northern Montgomery County. The overhead imagery reveals the patchwork of fields and woodlots that defined the landscape between Brookeville and Sandy Spring before later decades of intense development. To the northeast, the Triadelphia Reservoir dominates the drainage of the Patuxent River, its irregular shoreline contrasting with the straight property lines and grid-like clearings of the surrounding countryside. This specific view, produced in cooperation with the Soil Conservation Service, uses color infrared photography to highlight the health and density of vegetation along the Hawlings River and Cattail Creek. For researchers, the map provides a precise visual baseline of settlement footprints in Ashton and the surrounding rural districts at the start of the 1980s.