The highest infestation rate in the study on Crystal Lake was 23.4% which is almost 7% less than the highest infestation rate in Shinhamako Lake at the time. Airborne pine pollen is very common in the area around Crystal Lake and the fluctuation of pine pollen at Crystal Lake in 1981 was found to be 6.5gm−2.

Geographic entities mentioned:
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.9511
lon: -71.4083
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.9511
lon: -71.4083
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.9511
lon: -71.4083
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.051666666667
lon: -75.360833333333
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.051666666667
lon: -75.360833333333
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.051666666667
lon: -75.360833333333
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 26.049722222222
lon: -80.193055555556
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 26.049722222222
lon: -80.193055555556
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 26.049722222222
lon: -80.193055555556
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.7227
lon: -93.2667
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.7227
lon: -93.2667
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.7227
lon: -93.2667
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.64416
lon: -98.56947
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.64416
lon: -98.56947
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.64416
lon: -98.56947
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.621645
lon: -83.303091
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.621645
lon: -83.303091
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.621645
lon: -83.303091
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.2745524
lon: -75.7991552
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.2745524
lon: -75.7991552
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.2745524
lon: -75.7991552
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 28.1603
lon: -81.6415
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 28.1603
lon: -81.6415
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 28.1603
lon: -81.6415
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.3272
lon: -71.2003
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.3272
lon: -71.2003
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.3272
lon: -71.2003
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.4433
lon: -71.3114
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.4433
lon: -71.3114
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.4433
lon: -71.3114
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 41.163055555556
lon: -81.465277777778
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 41.163055555556
lon: -81.465277777778
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 41.163055555556
lon: -81.465277777778
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 28.02622
lon: -81.90986
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 28.02622
lon: -81.90986
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 28.02622
lon: -81.90986
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.661644
lon: -86.172576
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.661644
lon: -86.172576
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.661644
lon: -86.172576
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.829166666667
lon: -76.126944444444
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.829166666667
lon: -76.126944444444
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.829166666667
lon: -76.126944444444
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 27.952
lon: -81.6823
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 27.952
lon: -81.6823
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 27.952
lon: -81.6823
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 47.62777778
lon: -96.10277778
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 47.62777778
lon: -96.10277778
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 47.62777778
lon: -96.10277778
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.6006
lon: -72.0889
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.6006
lon: -72.0889
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 43.6006
lon: -72.0889
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.33361111
lon: -93.2125
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.33361111
lon: -93.2125
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 44.33361111
lon: -93.2125
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.615
lon: -95.950555555556
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.615
lon: -95.950555555556
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.615
lon: -95.950555555556
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.002
lon: -89.613
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.002
lon: -89.613
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.002
lon: -89.613
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.650347
lon: -75.201606
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.650347
lon: -75.201606
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 42.650347
lon: -75.201606
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.7998926
lon: -109.5141115
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.7998926
lon: -109.5141115
surface_form: crystal lake
instance_of: Lake
countries: United States
coordinates: lat: 46.7998926
lon: -109.5141115