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        <Desc>Design and Construction: Prospect Park Alliance restores the landscape and buildings within the Park while preserving the historic design. Projects are taken through a design and approval process, in partnership with the City of New York Department of Parks and Recreation, and are supervised during construction by Prospect Park Alliance. Projects designed by Prospect Park Alliance have won a number of prestigious awards. During the year ended June 30, 2016, design projects included Flatbush Ave Perimeter, the Garage Complex, the Concert Grove Pavilion and ongoing Parade Ground and Long Meadow Ball Fields. Staff time was also spent on supervision of the Wellhouse construction, and on publicly and privately funded funded improvements to the Northeastern perimeter of the Park.</Desc>
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        <Desc>Field Operations: Prospect Park Alliance partners with the City of New York Department of Parks and Recreation in caring for the natural environment within the Park. The Arboriculture crew helps to care for the roughly 40,000 trees of Prospect Park which include 150 species and make up Brooklyn's only forest. Prospect Park provides priceless natural habitat for wildlife and park visitors as well as a much needed migration stop for thousands of birds and the Park has been designated an Important Bird Area by the National Audubon Society. The Park's 250 acres of natural areas are maintained and monitored year-round by the Alliance's Natural Resources Crew, which works with volunteers and the Woodlands Youth Crew to restore sections in the Park designated as natural areas. The Natural Resources Crew also engages youth through its work with the Woodlands Youth Crew. The Alliance provides maintenance staff at the Parade Ground, which was renovated and restored with public funds, as well as supplementing other areas of operations in the Park.</Desc>
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        <Desc>Prospect Park Alliance offers educational programs teaching visitors about the natural world and its stewardship, helping to support the Alliance's mission to maintain the Park as a resource for New York City, especially those New Yorkers from underserved and low to mid-income neighborhoods. The Park's Audubon Center and Lefferts Historic House Museum provide important educational and cultural programming for both schools and the public. During fiscal year 2016, 29,265 people visited the Prospect Park Audubon Center and an additional 24,609 people visited Pop-up Audubon I and II, innovative programs offering mobile presentations in various locations throughout the Park. The Lefferts Historic House Museum had public visitation totaling 45,530. Prospect Park also has a very active Volunteer Corps that is made up of community members who donate their time and energy and are critical to the ongoing maintenance and restoration of the Park. Over 3,900 volunteers contributed 19,775 hours to the Park.</Desc>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Chair of the Board and the Executive Committee review and approve the salary of the President taking into account the salaries of comparable positions at similar organizations provided in a report compiled by the Human Resources Director. The Chair, President and Executive Committee review and approve salaries of key employees other than the President taking into consideration the salaries of comparable positions at similar organizations in a report compiled by the Human Resources Director. These reviews are conducted annually and were last conducted in February 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Prospect Park Alliance makes available its audited financial statements, Form 990, New York State CHAR500, and Conflict of interest policy on its website at www.prospectpark.org . Printed copies of the documents required to be made available for public inspection are also provided upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 11g</FormAndLineReferenceDesc>
        <ExplanationTxt>The category "other fees for services" includes fees paid to tennis pros, architectural and engineering consultants, construction contractors, and fees for educational presentations.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <ReasonableCauseExplanation documentId="R000010" softwareId="15000352" softwareVersionNum="v1.00">
      <ExplanationTxt>Form 8868, Application for Extension of time to submit an Exempt organization Return was submitted by the Alliance and approved by the IRS. The additional extension was required to allow for a thorough review of the filing by the Audit Committee and Board.</ExplanationTxt>
    </ReasonableCauseExplanation>
  </ReturnData>
</Return>