Developed by Seattle Parks & Recreation (DPR) to quantify and categorize areas of DPR maintenance for analysis and planning purposes. Some areas of maintenance extend beyond the boundaries of DPR
Source: Ludwig Christoph Heinrich Hölty: Sämtliche Werke. Kritisch und chronologisch herausgegeben von Wilhelm Michael. Band 1–2, Weimar: Gesellschaft der Bibliophilen, 1914.
