Bird observations in the Fort Collins, Colorado, area. Winter season–Dec. 1, 1969 to March 31, 1970. Ryder, R. 1970.
bibtex   
@article{ryder_bird_1970,
	title = {Bird observations in the {Fort} {Collins}, {Colorado}, area. {Winter} season--{Dec}. 1, 1969 to {March} 31, 1970},
	volume = {1},
	number = {4},
	author = {Ryder, RA},
	year = {1970},
	keywords = {SGS, Colorado, winter, birds}
}

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