Filters: Tags: Isle Royale National Park (X)
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Isle Royale National Park, Michigan. Conglomerate with native copper from the Island mine. This specimen has been sawed and lightly polished so that the copper reflects light and shows up as light-colored, irregular-shaped patches. The specimen is 8 centimeters wide. Circa 1971. Figure 71, U.S. Geological Survey Bulletin 1309.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Hubner, N.K. Collection,
Isle Royale National Park,
Michigan,
National Parks,
National Parks,
Vegetation change is an important issue facing managers at Isle Royale National Park (ISRO). These data were created using high-resolution imagery collected in the winter of 2017 which was compared to the vegetation map of the National Park published in 2000 (project imagery collected in 1994 and 1996). These data review where vegetation cover type, density, and pattern have changed since imagery collection for the 2000 publication and provide a proposed reason for the change.
Isle Royale National Park, Michigan. Specimen of ancient raindrop impressions on siltstone at Isle Royale. Circa 1971. Figure 36-B, U.S. Geological Survey Bulletin 1309.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Hubner, N.K. Collection,
Isle Royale National Park,
National Parks,
Photographers,
photo print
Isle Royale National Park, Michigan. Water-current feature formed by flow deflected around shale fragments. Direction of the current flow is toward the right. Circa 1971. Figure 31, U.S. Geological Survey Bulletin 1309.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Huber, N.K. Collection,
Isle Royale National Park,
National Parks,
Photographers,
photo print
The data are input data files to run the forest simulation model Landis-II for Isle Royale National Park. Files include: a) Initial_Comm, which includes the location of each mapcode, b) Cohort_ages, which includes the ages for each tree species-cohort within each mapcode, c) Ecoregions, which consist of different regions of soils and climate, d) Ecoregion_codes, which define the ecoregions, and e) Species_Params, which link the potential establishment and growth rates for each species with each ecoregion.
Categories: Data;
Types: Citation,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Forest Succession,
Isle Royale National Park,
Lake Superior,
Michigan,
USGS Science Data Catalog (SDC),
Isle Royale National Park, Michigan. Wave-cut arch on Amygdaloid Island. A short distance west is a collapsed arch. Circa 1971. Figure 18, U.S. Geological Survey Professional paper 754-A; Figure 68, U.S. Geological Survey Bulletin 1309.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Huber, N.K. Collection,
Isle Royale National Park,
National Parks,
Photographers,
photo print
Isle Royale National Park, Michigan. Characteristic textures of volcanic rocks on Isle Royale: fine-grained porphyrite from the Scoville Point Flow on the south side of North Government Island. This variety has small, blocky millimeter-sized plagioclase crystals rather uniformly distributed through the groundmass. Circa 1971. Figure 4-B, U.S. Geological Survey Professional paper 754-C; Figure 12-B, U.S. Geological Survey Bulletin 1309.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Huber, N.K. Collection,
Isle Royale National Park,
Keweenaw County, Michigan,
Photographers,
photo print
Characteristic textures of volcanic rocks on Isle Royale. Isle Royale National Park, Michigan. 1971.
Isle Royale National Park, Michigan. Characteristic textures of volcanic rocks on Isle Royale: coarse porphyrite from the Huginnin Flow on the shoreline just west of Huginnin Cove. This variety has larger, tabular-shaped crystals more sparsely distributed in the rock and commonly occurring in clots; the large crystals are often as much as 2 centimeters long. Circa 1971. Figure 4-D, U.S. Geological Survey Professional paper 754-C; Figure 12-D, U.S. Geological Survey Bulletin 1309.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Huber, N.K. Collection,
Isle Royale National Park,
Keweenaw County, Michigan,
Photographers,
photo print
Isle Royale National Park, Michigan. Characteristic textures of volcanic rocks on Isle Royale: fine-grained porphyrite, tending toward glomeroporphyrite, from the Tobin Harbor Flow on the south side of Porter Island. Circa 1971. Figure 4-C, U.S. Geological Survey Professional paper 754-C; Figure 12-C, U.S. Geological Survey Bulletin 1309.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Huber, N.K. Collection,
Isle Royale National Park,
Keweenaw County, Michigan,
Photographers,
photo print
Isle Royale National Park, Michigan. Granitic erratic near the summit of Feldtmann Ridge near the site of an abandoned lookout tower. Circa 1971. Figure 8, U.S. Geological Survey Professional paper 754-A; Figure 51, U.S. Geological Survey Bulletin 1309.
Categories: Image;
Tags: Huber, N.K. Collection,
Isle Royale National Park,
Photographers,
photo print
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