File:Glen_Canyon_Park_S_from_lookout.jpg References

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Summary

Photograph of Glen Canyon Park, San Francisco, California taken in February, 2007 facing south. The photograph shows three characteristic features of the park's landscape. The vividly green wild oat grasses on the left cover the steep eastern slope of the canyon. The line of blue gum eucalyptus trees is a windbreak planted in the 1850s following Adolph Sutro's purchase of this land, which he named his "Gum Tree Ranch." The willow thickets in the bottom and bottom-right of the photograph surround Islais Creek and a small wetland; the wetland is traversed by a boardwalk leading to the trail seen emerging from the thicket.^[1]

References

^ San Francisco Recreation and Parks Department, "Significant Natural Resources Areas Management Plan," section 6.3 "Glen Canyon Park and O’Shaughnessy Hollow," (Final Draft Plan, February, 2006). This section contains several detailed maps on "Soils, Land Features, and Trails," "Vegetation," and "Sensitive Species and Bird Habitat." Retrieved February 3, 2007.

Licensing

This work is licensed under the Creative Commons Attribution-ShareAlike 2.5 License.
Attribution: Eric A. Schiff, 2007

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	06:27, 15 February 2007		2,816 × 2,112 (1.81 MB)	Easchiff ( talk \| contribs)	Photograph of Glen Canyon Park, San Francisco, California. Taken February 4, 2007. Copyright Eric A. Schiff, 2007.

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Metadata

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Camera manufacturer	Canon
Camera model	Canon PowerShot SD630
Author	Eric A. Schiff
Copyright holder	Eric A. Schiff
Exposure time	1/500 sec (0.002)
F-number	f/2.8
Date and time of data generation	16:14, 4 February 2007
Lens focal length	5.8 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
Software used	ACD Systems Digital Imaging
File change date and time	22:16, 14 February 2007
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	16:14, 4 February 2007
Image compression mode	5
Shutter speed	8.96875
APEX aperture	2.96875
Exposure bias	0
Maximum land aperture	2.96875 APEX (f/2.8)
Metering mode	Pattern
Flash	Flash did not fire, auto mode
DateTime subseconds	277
Color space	sRGB
Focal plane X resolution	12,515.555555556
Focal plane Y resolution	12,497.041420118
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard

[ManagementPlan-1] San Francisco Recreation and Parks Department, "Significant Natural Resources Areas Management Plan," section 6.3 "Glen Canyon Park and O’Shaughnessy Hollow," (Final Draft Plan, February, 2006). This section contains several detailed maps on "Soils, Land Features, and Trails," "Vegetation," and "Sensitive Species and Bird Habitat." Retrieved February 3, 2007.

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