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ATTACHMENT A <br /> Weiland, Inc. <br /> Environmental Er Engineering <br /> Environmental Support for; <br /> • Transportation <br /> February 3, 2006 <br /> • Land Development <br /> Mr. Peter Plage 0 Mining <br /> U.S. Fish and Wildlife Service • Industry <br /> Ecological Services <br /> Colorado Field Office <br /> PO Box 25486, DFC (MS 65412) <br /> Denver, CO 80225-0486 <br /> Re: Stroh Pit, Larimer County Colorado <br /> Dear Pete: <br /> This letter is a follow up to our January 26, 2006 telephone conversation. As we <br /> discussed Coulson Excavating Company, Inc. (Coulson) wants to revise its conceptual <br /> Preble's meadow jumping mouse (Zapus himisonius preblei; PMJM) conservation <br /> measures for the Stroh Pit. If possible, they would also like to reach an agreement <br /> regarding conservation measures without preparing an HCP and EA. <br /> The original conservation measures were proposed in a letter to you dated January 18, <br /> 2002. A copy of that letter is attached. Following that letter I discussed the plan once or <br /> twice with Kathleen Linder, and started to prepare a habitat conservation plan and <br /> environmental assessment. Work on that document was suspended because Larimer <br /> County asked Coulson to wait until revised floodplain mapping was complete. It was <br /> thought at the time that the new mapping might affect Coulson's mining plans and PMJM <br /> buffer proposal. The new floodplain mapping has now been accepted the Federal <br /> Emergency Management Agency. Therefore, Coulson is now ready to proceed with its <br /> permitting process for the Stroh Pit. <br /> The 2002 letter described the project location, project history, and conservation measures <br /> proposed at that time. This letter discusses the revised conservation plan. Table and <br /> figures are attached at the end of this letter. <br /> Since the 2002 letter was written, new modeling has revised the floodplain and floodway <br /> boundaries. Additionally, Coulson has collected additional data regarding the amount <br /> and location of gravel resources at the Stroh Pit. The original plan called for a <br /> permanent I 00-ft wide buffer zone bounded on the north by the Big Thompson River <br /> riparian corridor. It also called for an additional buffer zone at least 200 feet wide <br /> bounded on the north by the 100-ft wide buffer zone and on the south by a line 300-ft <br /> SES 3' Avenue. Suite 211. Longmont, ED BDSD1 <br /> ph 303-532-OSS1 fax 303-532-D9S3 <br />