Historic Preservation
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Goodwill Fire House StageEngineering Services for the proposed Goodwill Firehouse Stage Exterior Rehabilitation.
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Village of Johnson City PagodaKeystone was retained to provide architectural design services to help...
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Kilmer BuildingInterior and exterior restorations of this 1900 national landmark building.
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Phelps MansionRenovation and repair project as per State Historic Preservation Office...
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