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• The seed mixes have been developed to return as many of the original native species as possible. Nearly all of these species plus the additional non-native species are cool season species. Volunteering native species in reclaimed areas are also principally cool season species. For these reasons, seasonal variety will not be evaluated for reclamation success. Although the species in [he reclaimed areas are classified as cool season species, some of these begin their growth early in the season while others begin growth later in the season. Additionally, many will regrow in the fall. These characteristics enhance forage availability during much of the grazing season. Reference Area. The reference areas will be monitored during the period of extended liability to more accurately gauge average cover and production and evaluate annual climatic effects on the vegetation. Monitoring will be carried out at the same time during revegetation monitoring activities in order to provide a basis for comparison of the status and continued development of the reclaimed plant communities. The reference areas will be adequately and simultaneously sampled during the last two years of the extended liability period to evaluate revegetation success. Reclamation Schedule Introduction. This section presents a timetable for each major phase of the reclamation plan and projected reclamation schedules for the Seneca II Mine permit area and lands under support facilities and structures. Facilities such as roads and sediment ponds that are not approved as elements of the postmi ning land use plan must be scheduled for reclamation. Additional information regarding the timing of reclamation activities may be found in Tabs 9, 12, and other parts of 13 which discuss the various components of the reclamation plan. Exhibit 73-2 illustrates the bac kfilling and grading schedule. Timing of Reclamation Activities. A generalized timetable of reclamation activities is shown in Figure 13-1. The timetable outlines the sequence and timing of each major phase of reclamation. It is not possible to specify precisely the timing of each reclamation phase for the following reasons: (1) variables such as customer demand for coal, coal quality, overburden characteristics, end manpower and equipment availability affect the rate of progress of mining activities; and (2) variables such as manpower and equipment availability, weather conditions and season, [he availability of materials, end [he sequence or rate of mining advance affect the progress of grading, resoiling, and seeding in [he mining area. 13-G1 Revised 12/01/93