Moraine Reserve

Photographed by Devry Becker Jones (CC0), April 5, 2026

1. Moraine Reserve Marker

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South,

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Mid-Atlantic.

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Conservation: The Moyaone Reserve Historic District is significant ... for the period 1945-present in the area of conservation for its role in the protection of the viewshed from Mount Vernon, a National Historic Landmark. The value of the view from George Washington's eighteenth-century home and riverside plantation is widely accepted as a critical element of the cultural

Photographed by Devry Becker Jones (CC0), April 5, 2026

2. Moraine Reserve Marker at one of the entrances to the Reserve

landscape and has been appreciated by generations of visitors. Architect Benjamin Henry Latrobe described the view after a visit to Mount Vernon in 1796. "Towards the East Nature has lavished magnificence," he wrote. "Before the portico a lawn extends on each hand from the front of the house to the edge of the bank. Down the steep slope trees and shrubs are thickly planted. They are kept so low as not to interrupt the view but merely to furnish an agreeable border to the extensive prospect beyond." In the 1950s, industrial development along the Maryland shore of the Potomac River threatened the integrity of outlook, inciting a decades-long effort led by the Mount Vemon Ladies' Association to protect the viewshed, which encompasses the Moyaone Reserve, through the creation of a national park. In 1957, the Ladies' Association and a determined cadre of Moyaone Reserve residents created the private, non-profit Accokeek Foundation to hold in trust key pieces of land within the viewshed, and, in 1961, Piscataway Park was established as the first national park to preserve a historic vista, becoming a model for subsequent federal parks across

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the nation. The Moyaone Reserve was founded on the principals of land conservation, and residents moved into the community because it promised a "green refuge" with open spaces, privacy, and great natural beauty. In the early 1960s, as part of the development of Piscataway Park, residents were given the opportunity to donate or sell scenic easements on their land to the Department of the Interior to create a protected, wooded buffer of privately owned land within the Mount Vemon viewshed, reinforcing the vision of the community's founders. Today, all properties within the Moyaone Reserve are bound by scenic easements, ensuring the ongoing preservation of the historic view from one of our nation's most revered historic sites and demonstrating the importance of easements as a method of encouraging private participation in conservation. The efforts of the Moyaone Reserve community in concert with the Mount Vemon Ladies' Association, the Accokeek Foundation, and others to prevent development that would encroach into the panoramic view from Mount Vemon and to preserve the wooded setting of the community and the rural character of its surrounding landscape represents an outstanding achievement that has national significance within the conservation and historic preservation movements.

Community Planning and Development: The Moyaone Reserve Historic District is significant ... for the period circa 1900-1958 in the area of community planning and development for its distinctive land planning qualities. In the immediate postwar period, a small group of forward-thinking individuals came together to protect the area's natural resources from destructive, small-lot, suburban development by creating a community grounded in a shared interest in rural settings, the preservation of trees, the retention of existing topography, and low-impact residential design that prioritized nature. Seen as an antidote to grid-based merchant-builder subdivisions that denuded the landscape and as an alternative to the curvilinear or neighborhood unit approach of some architect-builder subdivisions, the Moyaone Reserve developed organically without a preconceived design. Instead, restrictive covenants that prohibited the subdivision of land into tracts of less than 5 acres and prohibited the excessive and unnecessary cutting of large trees guided its development. Residents had the freedom to build houses of any style as long as the construction would not intrude on the natural beauty of the area. The community grew in size progressively as surrounding land became available for purchase and was platted with respect to the natural features of the terrain and to maximize privacy. A few farm buildings and tenant houses that were scattered across the landscape at the time of its initial development were recognized for their contribution to the community's rural setting and were retained rather than bulldozed. Streams and valleys and large swaths of unbuildable land were set aside as natul.e reserves to encourage an appreciation for the local wildlife and ecology. Although residents of Moyaone Reserve were wholly reliant on the automobile for transportation, roads were laid out to preserve the rugged quality of the landscape rather than for efficiency. Besides the roadways, there were few infrastructure amenities, such as sidewalks. Residents were encouraged to use nature trails or bridle paths instead. Prospective buyers were carefully vetted to ensure a shared appreciation for the area's rural character and scenic beauty. With some houses set within small clearings, and others nestled into the tree canopy, the development has a variegated, patchwork quality evocative of agricultural landscapes. The Moyaone Reserve is a wholly distinctive community that helped advance important principles and practices of suburban development in Maryland during the postwar period...

Architecture: The Moyaone Reserve Historic District is significant at the local level under National Register Criterion C in the area of architecture for the period 1946-1976. After Alice L. L. Ferguson's initial land acquisition, architect Charles F. Wagner, Jr., was the first to build a house, taking the first step in establishing the development that would become the Moyaone Reserve. His home featured an innovative, modem design that employed a distinctive combination of low-sloped, butterfly and shed roofs, natural materials, and large expanses of window glass. The house's site-sensitive design emphasized visual and physical connections between interior spaces and the outdoors, inspiring dozens of area landowners to build in a similar style. Wagner himself designed nearly twenty houses in the Moyaone Reserve between the years 1946 and 1976. In planning these houses, Wagner integrated the buildings into the existing topography, rather than grading the terrain, and positioned windows to provide expansive views or to overlook picturesque site features. Trees were preserved to the greatest extent possible. Demonstrating an appreciation for efficient, low-cost construction, his houses frequently used readily available, standardized components, including cinderblock, plywood paneling, and prefabricated roofing panels. This reinforced within the community the modernist idea that good design was possible without the use of custom components. High ceilings with exposed rafters, the frequent use of window walls and floor-to-ceiling glazing, and careful spatial planning added to the success of his designs. Other architect-designed, modemrera houses, designed by notable Washington-area architects such as Charles M. Goodman, Harold Esten, Casper Neer, Charles F. D. Egbert, and others contribute to the Moyaone Reserve's significant collection of Mid-century Modern houses. Other domestic forms and styles introduced into the community during this period embody a local manifestation of national trends in residential design. In their simplicity of form, open plans, and affordability, these houses represent a continuity in design within the historic district for the period 1946-1976.