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Page 33 Table 2-6. Distribution, status, and threats of blue head sucker in Southern Region. Abundance class can be abundant (>50 individuals/100m), moderate or present (10-50 individuals/100m), rare (<10 individuals/100m), not present, or unknown. Historical information taken from the Utah Division of Wildlife Heritage Database. Current Stream Abundance Last Last Historically Population Drainage Name Reach HUC Class surveyed observed present reproducing? Threats Upstream from UT/AZ bord~r to SR-9 Paria River Paria River bridge crossing 14070007 Unknown 1977 U Y N De-watering Paria River Upstream from SR-9 bridge crossina 14070007 Unknown 1977 U U N De-watering Fremont Fremont BlM land just east of Capital Reef National Barrier, hybridization with white River River Park 14070003 Present 2005 2005 Y Y sucker Fremont River Capital Reef National Park 14070003 Present 2005 2005 Y Y Fragmentation due to diversions Fremont Capital Reef N.P. boundary upstream to River Fish Creek confluence 14070003 Present 1992 1992 Y U Non-natives Escalante Escalante lake Powell upstream to Glen Canyon Potential non-native influence River River NRA boundary 14070005 Present 1998 1998 Y U from lake Powell Escalante Glen Canyon NRA boundary upstream to Potential non-native influence River -9 mile downstream of Calf Creek 14070005 Unknown U U Y U from lake Powell Escalante From -9 miles downstream to -8 miles Potential non-native influence River upstream of Calf Creek 14070005 Moderate 2004 2004 Y Y from lake Powell Entire reach dewatered except Escalante From -8 miles upstream of Calf Creek to for -1.5 mile stretch near the River Escalante town 14070005 Rare 2004 2004 Y Y Escalante town Pine Creek dewatered except for Upstream from its confluence with -1 km stretch upstream from its Pine Creek Escalante River 14070005 Moderate 2004 2004 Y Y confluence with Escalante River Mamie 1 mile reach located 1 mile upstream of Creek confluence with Escalante River 14070005 Moderate 2004 2004 Y Y Limited threats Sand From confluence with Escalante River Creek upstream -1 mile 14070005 Not Present 2004 1997 Y N Limited threats Confluence with Escalante River upstream Calf Creek to Upper Calf Creek Falls 14070005 Not Present 2004 1997 Y N Limited threats; non-natives Upstream of confluence with Boulder Deer Creek Creek 14070005 Not Present 2004 U Y N Non-natives