File:The Discovery, Use and Conservation of Natural Resources (Carl Sandberg and Frank Lloyd Wright), (Study for mural, Decatur, Illinois post office) SAAM-1974.28.304 1.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:59, 9 May 2021		2,000 × 630 (332 KB)	commons>Frypie	{{artwork\| wikidata =Q20537590 \|artist = \|title = \| medium = \| dimensions = \|date = \|Description= \|institution = {{institution:Smithsonian American Art Museum}} \|source = https://americanart.si.edu/artwork/discovery-use-and-conservation-natural-resources-carl-sandberg-and-frank-lloyd-wright-study \|Author= \|Permission= \|other_versions= }} == {{int:filedesc}} == {{PD-USGov-WPA}} Category:Edgar Britton

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Short title	1974.28.304_1.tif
Date and time of data generation	4 November 2009
Author	Gene Young Photographer
Credit/Provider	Smithsonian American Art Museum
Source	Smithsonian American Art Museum
Copyright holder	This image was obtained from the Smithsonian American Art Museum. The image or its contents may be protected by international copyright laws.
Image title	Direct capture
Camera manufacturer	Hasselblad
Camera model	Hasselblad CF528-22 - Hasselblad H Series
Exposure time	6/1 sec (6)
F Number	f/10
Lens focal length	80 mm
ISO speed rating	50
Usage terms	http://www.si.edu/termsofuse
JPEG file comment	1974.28.304 002
IIM version	4
Width	6,292 px
Height	1,982 px
Pixel composition	RGB
Number of components	3
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Bits per component	16 16 16
Exif version	2.1
Date and time of digitizing	03:27, 4 November 2009
Exposure Program	Manual
APEX shutter speed	−2.584963
APEX aperture	6.643856
Metering mode	Average
Image width	6,292 px
Image height	1,982 px
Color space	Uncalibrated
Flash	Flash did not fire
File change date and time	05:40, 4 November 2009
Date metadata was last modified	11:42, 21 May 2013
Software used	Adobe Photoshop CS4 Macintosh
Unique ID of original document	xmp.did:81BB516C0920681197A58D92060CE446
Contact information	americanart.si.edu Smithsonian American Art Museum Washington, D.C., U.S.A.