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Colorado Cultural Resource Survey Management Data Form Continuation (page 4 of 7) State Site#: 5LK50.5-9 and 5LK50.23-36 Temporary #: N/A 36. Eligibility Recommendation (Cont'd): Statement of Significance/N.R.H.P.Justification: 6LK60.23 - Segment 5LK50.23 should be avoided by all project impacts, including heavy vehicle use and upgrading. If avoidance is not possible, the portion of the grade to be impacted should be photographically documented to Athearn's(1990)Level II standards prior to disturbance. 5LK50.24 - Railroad spur 5LI(50.24 is recommended as a contributing element(criterion a)of the Denver & Rio Grande Railroad system,a National Register-eligible site. The segment retains good visual integrity and is readily identifiable as a railroad grade over most of its length. The grade appears to have been built specifically to serve the mill adjacent to the Resurrection No. 1 Mine. Because of the grade's visual integrity, it is also considered to be a contributing element of the Leadvillp.Mining District(5LK856). 5LK50.26-Railroad spur 5LK50.25 is not recommended as a contributing element of the Denver&Rio Grande Railmad system, a National Register-eligible site. The segment retains little visual integrity and is not readily identifiable as a railroad grade. Because of the grade's poor visual integrity, it is also not recommended as a contributing element of the Leadville Mining District(5LK856). 5LK50.26 - Railroad spur 5LI150.26 is recommended as a contributing element (criterion a) of the Denver & Rio Grande Railroad system, a National Register-eligible sits. Except for the two locations where the grade is completely obscured by vegetation, the segment retains excellent visual integrity and is readily identifiable its It railroad grade. Because of the grade's visual integrity, it is also considered to be a contributing element of the Leadville Mining District(5LK856)i . 5LK50.27-Railroad spur 5LIi50,27 is not recommended as a contributing element of the Denver& Rica Grande Railroad system, it National Register-eligible site. The segment is in overall poor condition and is not, easily recognizable as a railroad grade. Because of the grade's poor physical and visual integrity, it is not, recommended as a contributing element of the Leadville Mining District(l,". ). 6LKt'i0.28- Railroad spur 5LK50,28 is recommended its it contributing element{criterion it)of the Denver& Rio Grande Railroad system, it National Register-eligible site. The segment retains excellent visual integrity and is readily identifiable as a railroad grade. Because of the grade's visual integrity, it is also considered to be. it contributing element of the Leadville Mining District(5LK856). 6LK50.29- Railroad grade segment 5LK50.29 is not recommended as a contributing element of the Denver & Rio Grande Railroad system, a National Register-eligible site. The segment has been altered through upgrading and is no longer readily identifiable as a railroad grade. For the same reason, it is not considered to be a contributing element of the Leadville Mining District(5LK850). 5LIC50.30-Railroad spur 5LIC50.30 is recommended as a contributing element(criterion a)of the Denver&Rio Grande Railroad system, a National Register-eligible site. The segment retain,excellent visual integrity and is readily identifiable as a railroad grade. The grade appears to have been built to serve the Ibex No. 1 Mine nearby. Because of the grade's visual integrity, it is also considered to be a contributing element of the Leadville Mining District(5LK856). 5LK50.31 - Railroad spur 5LK5)0.31 is recommended as a contributing element (criterion a) of the Denver& Rio Grande Railroad system, a National Register-eligible site. The segment retains excellent visual integrity and is readily identifiable as a railroad grade. The grade appears to have been built specificallv to serve the Little Vinnie Mine. Because of the grade's visual integrity, it is also considered to be a contributing element of the Leadville Mining District(5LKKk).