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The spring 2017 mainland sea otter count began on April 30, and although the shore-based counts were completed by May 12, 2017, the aerial counts were not completed until July 12, 2017. Overall viewing conditions this year were good, although not as good as conditions experienced during the 2016 spring census (View Score 2.4 versus 3.1, where 0=poor, 1=fair, 2=good, 3=very good, and 4=excellent). The surface canopies of kelp (Macrocystis sp.) were considered by most participants to be considerably below normal for this time of year in most areas of the mainland range. Sea otters along the mainland coast were surveyed from Pillar Point in San Mateo County in the north to Rincon Point in the south at the Santa Barbara/Ventura...
map background search result map search result map Annual California Sea Otter Census - 2017 Spring Census Summary USGS Topo Map Vector Data (Vector) 30225 Morgans Pasture NW, Idaho 20200715 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36278 Powerline Well, Arizona 20180808 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36375 Prescott Valley North, Arizona 20180807 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36523 Promontory Butte, Arizona 20180807 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36398 Preston Mesa North, Arizona 20180808 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 36399 Preston Mesa South, Arizona 20180808 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 42513 Spirit Lake West, Idaho 20200715 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 45070 Ticeska, Idaho 20200715 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5183 Braddock, North Dakota 20200722 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 5486 Brinsmade SW, North Dakota 20200723 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 5970 Buckskin Peak, Oregon 20200713 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 6934 Camp Needmore, Montana 20200720 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7978 Central School, Montana 20200721 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 10250 Cottage Grove, Oregon 20200713 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11280 Dana, North Dakota 20200723 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 12104 Devils Kitchen, Montana 20200721 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 28848 Merino, Montana 20200722 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 44188 Tagus SE, North Dakota 20200723 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 44559 Tenmile Lake, Montana 20200721 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30225 Morgans Pasture NW, Idaho 20200715 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36278 Powerline Well, Arizona 20180808 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36375 Prescott Valley North, Arizona 20180807 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36523 Promontory Butte, Arizona 20180807 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36398 Preston Mesa North, Arizona 20180808 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 36399 Preston Mesa South, Arizona 20180808 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 42513 Spirit Lake West, Idaho 20200715 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 45070 Ticeska, Idaho 20200715 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5486 Brinsmade SW, North Dakota 20200723 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 5970 Buckskin Peak, Oregon 20200713 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 6934 Camp Needmore, Montana 20200720 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7978 Central School, Montana 20200721 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 10250 Cottage Grove, Oregon 20200713 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11280 Dana, North Dakota 20200723 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 12104 Devils Kitchen, Montana 20200721 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 28848 Merino, Montana 20200722 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 44188 Tagus SE, North Dakota 20200723 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 44559 Tenmile Lake, Montana 20200721 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5183 Braddock, North Dakota 20200722 for 7.5 x 7.5 minute FileGDB 10.1 Annual California Sea Otter Census - 2017 Spring Census Summary