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KJOLFIAUG ENVIRONMENTAL SERVICES COMPANY <br />idlikamignitior <br />Memorandum <br />Date: May 7, 2020 <br />Providing Sotind, Balanced, C rrtiPrehensizre Natural Resource Sodaiiar+s <br />To: Tom Bakritges — Capstone Homes <br />From: Kyle Uhler — Kjolhaug Environmental Services Company <br />Mark Kjolhaug — Kjolhaug Environmental Services Company <br />For: Riverstone South Development Tree Survey Ramsey, MN <br />Riverstone South Development is located at 8846 Highway 10 NW Ramsey, MN (Figure 1) <br />More specifically the project area contained PIDs: 30-32-25-11-0031, 30-32-25-11-0032, 29-32- <br />25-22-0003, and 29-32-25-23-0004. The site covered approximately 110 acres and consisted of <br />roughly 27 acres of woodland. The purpose of the Riverstone South tree survey was to inventory <br />all significant trees on site. The Ramsey, MN Municipal Code of Ordinances Sec. 117-327 <br />(C)(2) defines Significant Trees: <br />a. All species of oak that have a DBH offour inches or greater; <br />b. All evergreen species that have a DBH offour inches or greater; and <br />c. All other trees that have a DBH of eight inches or more; <br />This inventory defined the sites resource composition including species, diameter at breast height <br />(DBH or 4.5' from the ground), and health condition. All trees on site were assessed and only <br />significant trees were given a unique tag number and recorded. A list of identified significant <br />trees and associated attributes is included in Appendix A. The sampled trees were located with a <br />Trimble® R1 GNSS Receiver utilizing real-time differential corrections to obtain sub -meter <br />accuracies. <br />Tree Inventory Results <br />Kjolhaug Environmental Services inventoried all significant trees at the Riverstone South <br />Development site in Ramsey, MN April 13th through the 16th, 2020. The survey inventoried <br />2,305 significant trees within the project boundaries. The tagged tree locations are included in <br />Figure 2A-2E. This inventory recorded 28 different species. Elm and oak trees combined <br />account for 71.9% for all significant trees on site. Three species of elm trees were identified <br />(Ulmus Americana, Ulmus pumila, and Ulmus rubra). The overlapping presentation between <br />different species vegetative structures present reduced identification confidence to Genus level <br />identification therefore all elm species sampled were combined into Ulmus spp. group. <br />Hackberry trees were subdominant to elm and oak accounting for 12.4% of trees. All other tree <br />2500 Shadywood Road, Suite 130, Orono, MN 55331 Phone: 952-401-8757 <br />