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Historic Properties Treatment Plan, Colloin Mine, Colorado 28 <br />during auger testing, then the test units will not be excavated. The test excavations will follow <br />the methods detailed in Section 5.1 below. <br />4.2.2 Phase II Data Recovery <br />Based on the results of the Phase I testing, up to an additional 30 m2 of excavation may be <br />warranted. This data recovery will follow the methods detailed in Section 5.2 below. <br />4.3 SITE 5MF4003 <br />4.3.1 Phase I Testing <br />To determine the nature of the buried cultural component, 20 auger tests and five 1 x 1 -m test <br />units are proposed for the site. The 20 auger tests will be placed into two lines of 10, with 5 -m <br />spacing between auger tests. The two lines will parallel each other along the west bank of the <br />site where the majority of the cultural material is eroding and along the east bank in the area of <br />the lithic concentration. The five 1 x 1 -m test units will be placed where the auger testing <br />indicates the highest potential for buried cultural deposits. In areas where the auger tests <br />indicate that deposits are either deeper than 1 m or are horizontally extensive, test units may be <br />grouped to allow full exposure and evaluation of buried deposits. If no cultural remains are <br />discovered during auger testing, then the test units will not be excavated. The test excavations <br />will follow the methods detailed in Section 5.1 below. <br />4.3.2 Phase II Data Recovery <br />Based on the results of the Phase I testing, up to an additional 30 m2 of excavation may be <br />warranted. This data recovery will follow the methods detailed in Section 5.2 below. <br />47599 TRC Mariah Associates Inc. <br />