Documents • Iowa State University • Avian Archives of Iowa Online

Title	Genres	Topics	Date (Start)	Date (End)	Type	Description	Creator/Author	Birds	Locations

Field notes contributed by James P. Sandrock with verifying documentation, summer 1981	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Nests Birds--Research Tyrannidae \| Flycatchers Ornithology--Methodology Parulidae \| Warblers Piciformes \| Woodpeckers and allies	1981-07-12	N/A	Manuscript, graphic, and printed material	Summer report of birds contributed by James P. Sandrock. Verifying documentation of an extraordinary sighting of an Alder Flycatcher is included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1981.	Sandrock, James P., 1929-	Turkey Vulture American Crow Alder Flycatcher Say's Phoebe Warbling Vireo Yellow-throated Warbler Common Yellowthroat Northern Parula	Des Moines River Lacey-Keosauqua State Park Van Buren County Shimek State Forest Keosauqua	Iowa Ornithologists' Union \| MS 166	19	8
Field notes contributed by James P. Sandrock, fall 1981	Field notes	Bird watching Birds--Research Ornithology--Methodology Parulidae \| Warblers	1981-08-01	1981-11-30	Manuscript, graphic, and printed material	Field notes were contributed by James P. Sandrock. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of fall 1981.	Sandrock, James P., 1929-	Bald Eagle Cooper's Hawk Horned Grebe Common Loon Osprey Snow Goose	Cone Marsh Wildlife Management Area Coralville Lake Hickory Hill Park Lacey-Keosauqua State Park Lake MacBride Keosauqua	Iowa Ornithologists' Union \| MS 166	20	1
Field notes contributed by James P. Sandrock, fall 1982	Field notes Forms (documents)	Bird watching Birds--Counting Fringillidae \| Finches Parulidae \| Warblers	1982-08-01	1982-11-30	Manuscript, graphic, and printed material	Field notes were contributed by James P. Sandrock and Johanna K. Sandrock, observer. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of fall 1982.	Sandrock, James P., 1929-	Broad-winged Hawk Horned Grebe Blue-gray Gnatcatcher Common Loon Osprey Red-eyed Vireo Eastern Whip-poor-will	Coralville Lake Lacey-Keosauqua State Park Shimek State Forest Keosauqua	Iowa Ornithologists' Union \| MS 166	20	5
Field notes contributed by James P. Sandrock, spring 1982	Field notes Forms (documents)	Bird watching Birds--Identification Scolopacidae \| Sandpipers, Phalaropes, and allies Parulidae \| Warblers	1982-03-01	1982-05-31	Manuscript, graphic, and printed material	Field notes were contributed by James P. Sandrock and other observers. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of spring 1982.	Sandrock, James P., 1929-	Red-tailed Hawk Least Bittern Nelson's Sharp-tailed Sparrow Smith's Longspur Red-breasted Nuthatch	Cone Marsh Wildlife Management Area Iowa City Johnson County Lacey-Keosauqua State Park Muskrat Slough State Game Management Area	Iowa Ornithologists' Union \| MS 166	20	3
Field notes contributed by John C. Robinson, spring 1982	Field notes	Birds--Nests Tyrannidae \| Flycatchers Laridae \| Gulls and Terns Ciconiiformes \| Herons, Bitterns, Egrets, Ibises, and Storks Charadriidae \| Plovers Scolopacidae \| Sandpipers, Phalaropes, and allies Fringillidae \| Finches Turdidae \| Thrushes Vireonidae \| Vireos Parulidae \| Warblers	1982-03-01	1982-05-31	Manuscript, graphic, and printed material	Field notes were contributed by John C. Robinson and other observers. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of spring 1982.	Robinson, John C., 1959-	Cooper's Hawk Little Blue Heron American Kestrel Pied-billed Grebe Chimney Swift	Lake Red Rock Ledges State Park Polk County Rathbun Lake Saylorville Lake Story County DeSoto National Wildlife Refuge	Iowa Ornithologists' Union \| MS 166	20	3
Field notes contributed by John Van Dyk, December 1, 1992	Field notes Reports	Bird declines Bird watching Birds--Counting Birds--Migration Accipitridae \| Hawks and Eagles Hirundinidae \| Swallows Parulidae \| Warblers Weather Songbirds Emberizidae \| Sparrows	1992-12-01	N/A	Manuscript, graphic, and printed material	Fall report of birds found in northwest Iowa contributed by John Van Dyk. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of fall 1992.	Van Dyk, John, 1936-	Yellow-bellied Sapsucker Bald Eagle Blue Jay Common Grackle Bobolink Black-and-white Warbler Northern Cardinal Common Redpoll Eastern Wood-Pewee Hooded Merganser Hermit Thrush Spotted Towhee Pine Siskin Red-breasted Nuthatch Golden-crowned Kinglet American Robin Brown Creeper Sharp-shinned Hawk	Sioux Center Sioux County Oak Grove State Park Rock Valley Rock River	Iowa Ornithologists' Union \| MS 166	25	3
Field notes contributed by John Van Dyk, December 2, 1981	Field notes	Bird watching Birds--Migration Birds--Research Ornithology--Methodology Charadriiformes \| Shore-birds, Gulls, and Auks Hirundinidae \| Swallows Parulidae \| Warblers	1981-12-02	N/A	Manuscript, graphic, and printed material	Field notes were contributed by John Van Dyk. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of fall 1981.	Van Dyk, John, 1936-	Red-tailed Hawk Clay-colored Sparrow Gray Partridge Blue Grosbeak Red-breasted Nuthatch Brown Creeper Eastern Screech-Owl	Sioux Center Oak Grove State Park	Iowa Ornithologists' Union \| MS 166	20	1
Field notes contributed by John Van Dyk, December 3, 1982	Field notes	Bird watching Birds--Migration Scolopacidae \| Sandpipers, Phalaropes, and allies Fringillidae \| Finches Parulidae \| Warblers Weather	1982-12-03	N/A	Manuscript, graphic, and printed material	Field notes were contributed by John Van Dyk and other observers. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of fall 1982.	Van Dyk, John, 1936-	American Avocet Cooper's Hawk White-eyed Vireo Lark Bunting Ruby-crowned Kinglet Scarlet Tanager Red-breasted Nuthatch	Otter Creek Marsh State Wildlife Refuge Sioux Center Oak Grove State Park	Iowa Ornithologists' Union \| MS 166	20	5
Field notes contributed by John Van Dyk, fall 1979	Field notes Reports	Bird watching Birds--Migration Birds--Research Podicipediformes \| Grebes Accipitridae \| Hawks and Eagles Ornithology--Methodology Charadriiformes \| Shore-birds, Gulls, and Auks Parulidae \| Warblers Bombycillidae \| Waxwings Weather	1979-08-01	1979-11-30	Manuscript, graphic, and printed material	Field notes contributed by John Van Dyk, includes bird sightings, locations and weather conditions.This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of fall 1979.	Van Dyk, John, 1936-	Northern Flicker Purple Martin Gray Partridge Hairy Woodpecker Great Blue Heron Western Meadowlark Red Crossbill Tundra Swan	Lyon County Sioux Center Sioux County Lake Pahoja Recreation Area	Iowa Ornithologists' Union \| MS 166	19	1
Field notes contributed by John Van Dyk, fall 1993	Field notes Reports	Bird watching Birds--Counting Birds--Identification Birds--Migration Anseriformes \| Ducks, Geese, and Swans Accipitridae \| Hawks and Eagles Parulidae \| Warblers Weather Emberizidae \| Sparrows	1993-08-01	1993-11-30	Manuscript, graphic, and printed material	Fall report of birds found in northwest Iowa contributed by John Van Dyk. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of fall 1993.	Van Dyk, John, 1936-	Northern Flicker Yellow-bellied Sapsucker Killdeer Eared Grebe Blue Jay Common Grackle Snow Bunting Vesper Sparrow Ruby-throated Hummingbird Snowy Owl Purple Finch Lesser Yellowlegs Bay-breasted Warbler Spotted Towhee Blue Grosbeak Pine Siskin Red-breasted Nuthatch Winter Wren Great Blue Heron Dark-eyed Junco Northern Shrike Brown Creeper	Akron Hawarden Sioux Center Sioux County Doon	Iowa Ornithologists' Union \| MS 166	25	6
Field notes contributed by John Van Dyk, June 1, 1979	Field notes Reports	Bird declines Bird watching Birds--Migration Tyrannidae \| Flycatchers Accipitridae \| Hawks and Eagles Charadriiformes \| Shore-birds, Gulls, and Auks Parulidae \| Warblers Weather	1979-06-01	N/A	Manuscript, graphic, and printed material	Spring report of birds found in northwest Iowa contributed by John Van Dyk, June 1, 1979. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1979.	Van Dyk, John, 1936-	Least Flycatcher Gray-cheeked Thrush Lapland Longspur Clay-colored Sparrow American White Pelican Swainson's Thrush Wilson's Warbler Northern Bobwhite	Sioux Center Sioux County Oak Grove State Park	Iowa Ornithologists' Union \| MS 166	18	9
Field notes contributed by John Van Dyk, June 1, 1987	Field notes	Bird feeders Bird watching Birds--Migration Birds--Nests Birds--Research Anseriformes \| Ducks, Geese, and Swans Tyrannidae \| Flycatchers Fringillidae \| Finches Vireonidae \| Vireos Parulidae \| Warblers Weather	1987-06-01	N/A	Manuscript, graphic, and printed material	List of birds and locations contributed by John Van Dyk. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of spring 1987.	Van Dyk, John, 1936-	Double-crested Cormorant Eared Grebe Pied-billed Grebe Gray-cheeked Thrush Franklin's Gull Merlin Long-billed Dowitcher Solitary Sandpiper Snow Goose Bufflehead Northern Shoveler Green-winged Teal Great Blue Heron Northern Bobwhite	Rush Lake Sioux Center Sioux County Oak Grove State Park Hospers Rock Valley	Iowa Ornithologists' Union \| MS 166	22	7
Field notes contributed by John Van Dyk, May 27, 1980	Field notes	Bird watching Birds--Migration Birdsongs Podicipediformes \| Grebes Fringillidae \| Finches Parulidae \| Warblers Weather	1980-03-01	1980-05-31	Manuscript, graphic, and printed material	List of birds and locations contributed by John Van Dyk. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of spring 1980.	Van Dyk, John, 1936-	Red-headed Woodpecker Double-crested Cormorant Eared Grebe Purple Martin Eastern Bluebird Grasshopper Sparrow Long-billed Dowitcher Eastern Phoebe Hooded Merganser Common Nighthawk Hermit Thrush Wilson's Warbler Red-breasted Nuthatch Golden-crowned Kinglet Mourning Dove Northern Bobwhite	Big Sioux River Wildlife Area Lyon County Sioux Center Sioux County Lake Pahoja Recreation Area Rock River	Iowa Ornithologists' Union \| MS 166	19	3
Field notes contributed by John Van Dyk, spring 1983	Field notes Reports	Bird feeders Bird populations Bird watching Birds--Migration Birds--Research Anseriformes \| Ducks, Geese, and Swans Accipitridae \| Hawks and Eagles Ciconiiformes \| Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Charadriiformes \| Shore-birds, Gulls, and Auks Vireonidae \| Vireos Parulidae \| Warblers Weather Emberizidae \| Sparrows	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds found in northwest Iowa contributed by John Van Dyk. There is a note indicating this will be the last contribution to the field reports for a year or more due to a move out of state. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Van Dyk, John, 1936-	Bald Eagle Cooper's Hawk Upland Sandpiper Pied-billed Grebe Vermilion Flycatcher Rusty Blackbird Bobolink White-breasted Nuthatch Purple Martin Gray-cheeked Thrush Eastern Bluebird Loggerhead Shrike Orchard Oriole Western Kingbird Merlin Marsh Wren Wood Thrush Dickcissel Purple Finch Yellow-bellied Flycatcher Osprey Hermit Thrush Northern Mockingbird Fox Sparrow Blue Grosbeak Golden-crowned Kinglet Water Pipit Winter Wren American Goldfinch Northern Harrier Brown Creeper Northern Bobwhite	Sioux Center Sioux County Oak Grove State Park Rock Valley Rock River Orange City Maurice	Iowa Ornithologists' Union \| MS 166	20	7
Field notes contributed by John Van Dyk, spring 1996	Field notes Reports	Bird watching Birds--Counting Birds--Identification Birds--Migration Anseriformes \| Ducks, Geese, and Swans Falconiformes \| Hawks, Eagles, Falcons, Osprey, and Vultures Turdidae \| Thrushes Vireonidae \| Vireos Parulidae \| Warblers Weather Emberizidae \| Sparrows	1996-03-01	1996-05-31	Manuscript, graphic, and printed material	Spring report of birds found in northwest Iowa contributed by John Van Dyk. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1996.	Van Dyk, John, 1936-	Northern Flicker Bald Eagle Red-throated Loon Yellow-breasted Chat Cinnamon Teal Ruby-throated Hummingbird Common Redpoll Ross' Goose Hoary Redpoll Hooded Merganser Baird's Sandpiper Common Snipe Sedge Wren Hermit Thrush American Tree Sparrow Lincoln's Sparrow Canada Goose Northern Shoveler Least Sandpiper	Hawarden Sioux Center Sioux County Oak Grove State Park Rock River George Doon Winterfeld Boat and Fish Area	Iowa Ornithologists' Union \| MS 166	27	1
Field notes contributed by Joseph P. Schaufenbuel, spring 1983	Field notes Reports	Bird watching Birds--Identification Birdsongs Fringillidae \| Finches Parulidae \| Warblers Emberizidae \| Sparrows	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds and locations contributed by Joseph P. Schaufenbuel. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Schaufenbuel, Joseph P.	Ruffed Grouse Swainson's Hawk Least Bittern Cedar Waxwing Lapland Longspur Smith's Longspur Loggerhead Shrike Barn Owl Chimney Swift Cattle Egret Marsh Wren Dickcissel Yellow-bellied Flycatcher Greater Scaup Common Snipe Black-billed Cuckoo Philadelphia Vireo Tree Swallow Sedge Wren Gray Catbird Connecticut Warbler Northern Shrike King Rail Pine Warbler	Allamakee County Ames Colo Decorah Doolittle Prairie State Preserve Hamilton County New Albin Story County Sweet Marsh Riverton Brookside Park McFarland Lake Park Jewell Volga River State Recreation Area Waucoma Waukon	Iowa Ornithologists' Union \| MS 166	20	7
Field notes contributed by Lee A. Schoenewe, fall 1997	Field notes Reports	Bird watching Birds--Counting Birds--Identification Podicipediformes \| Grebes Laridae \| Gulls and Terns Parulidae \| Warblers Birds--Infancy	1997-08-01	1997-11-30	Manuscript, graphic, and printed material	Fall report of birds found in northwest Iowa contributed by Lee A. Schoenewe. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of fall 1997.	Schoenewe, Lee A.	Swainson's Hawk Thayer's Gull Great Black-backed Gull Brewer's Blackbird Blue-headed Vireo Nelson's Sharp-tailed Sparrow Snow Bunting White-winged Crossbill Pacific Loon Northern Goshawk Western Sandpiper California Gull Le Conte's Sparrow Black-crowned Night Heron Spotted Towhee Red-breasted Nuthatch Bufflehead American Coot American Black Duck Tundra Swan Buff-breasted Sandpiper Pine Warbler	Christopherson Slough / Little Swan Lake Wildlife Management Area Clay County Dickinson County Du Marsh Area Kettleson Hogsback Wildlife Management Area Lake Park Spencer Spirit Lake Waterman Creek Grovers Lake Little Sioux River McBreen Marsh Wanata State Park Riverside Cemetery Gull Point State Park Iowa Lakeside Laboratory Welch Lake Wildlife Management Area Marble Beach State Recreation Area	Iowa Ornithologists' Union \| MS 166	27	6
Field notes contributed by Lee A. Schoenewe, fall 1998	Field notes Reports	Bird watching Birds--Counting Birds--Identification Anseriformes \| Ducks, Geese, and Swans Parulidae \| Warblers	1998-08-01	1998-11-30	Manuscript, graphic, and printed material	Fall report of birds found in northwest Iowa contributed by Lee A. Schoenewe. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of fall 1998.	Schoenewe, Lee A.	Red-shouldered Hawk Clark's Grebe Red-necked Grebe Blue-headed Vireo Eurasian Collared Dove Snowy Egret California Gull Lesser Black-backed Gull Bohemian Waxwing Common Loon Peregrine Falcon Gray Partridge Semipalmated Plover Fox Sparrow Blue Grosbeak Sandhill Crane Black-headed Gull Northern Shrike Northern Harrier	Clay County Deweys Pasture State Game Management Area Dickinson County Elk Lake Lost Island Lake Palo Alto County Spirit Lake Waterman Creek O'Brien County Mill Creek State Park Spring Run Complex Wildlife Management Area Barringer Slough State Game Mgt Area Marble Beach State Recreation Area Willow Creek County Recreation Area	Iowa Ornithologists' Union \| MS 166	28	2
Field notes contributed by Lee A. Schoenewe, spring 1992	Field notes Forms (documents)	Bird watching Birds--Migration Birds--Nests Birdsongs Parulidae \| Warblers	1992-03-01	1992-05-31	Manuscript, graphic, and printed material	List of birds and locations contributed by Lee A. Schoenewe. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of spring 1992.	Schoenewe, Lee A.	Bald Eagle Mute Swan American White Pelican Barred Owl American Woodcock Wilson's Phalarope Wood Thrush Le Conte's Sparrow Eastern Meadowlark Common Loon Black-crowned Night Heron Semipalmated Plover Northern Parula Prothonotary Warbler Fox Sparrow Tundra Swan	Horseshoe Bend County Recreation Area Kettleson Hogsback Wildlife Management Area Trumbull Lake Virgin Lake Ocheyedan River Stolley Gravel Pit Park Hawk Valley Wildlife Management Area	Iowa Ornithologists' Union \| MS 166	25	1
Field notes contributed by Lee A. Schoenewe, spring 1997	Field notes	Bird watching Birds--Counting Birdsongs Anseriformes \| Ducks, Geese, and Swans Parulidae \| Warblers	1997-03-01	1997-05-31	Manuscript, graphic, and printed material	List of birds and locations contributed by Lee A. Schoenewe. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of spring 1997.	Schoenewe, Lee A.	Red-shouldered Hawk Marbled Godwit Brewer's Blackbird Chestnut-collared Longspur Pacific Loon Long-billed Dowitcher Palm Warbler Greater Scaup Spotted Towhee Snow Goose Common Tern Sandhill Crane	Big Sioux River Wildlife Area Little Sioux Wildlife Management Area Twelve Mile Lake West Okoboji Lake Grovers Lake Spring Run Complex Wildlife Management Area Prairie Lake Oneota Park Dugout Creek Wildlife Management Area Twelve Mile Lake Township	Iowa Ornithologists' Union \| MS 166	27	4
Field notes contributed by Marion M. Brewer, June 1, 1979	Field notes Reports	Bird watching Birds--Nests Parulidae \| Warblers	1979-06-01	N/A	Manuscript, graphic, and printed material	Spring report of birds found in northwest Iowa contributed by Marion M. Brewer, June 1, 1979. Sightings of a Marbled Godwit and an American Avocet are underlined in red. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1979.	Brewer, Marion M.	American Avocet Marbled Godwit Double-crested Cormorant Loggerhead Shrike Osprey Semipalmated Plover American Golden Plover	Cherokee County Larrabee Laurens Trumbull Lake Virgin Lake	Iowa Ornithologists' Union \| MS 166	18	9
Field notes contributed by Marion M. Brewer, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Migration Birds--Research Ornithology--Methodology Scolopacidae \| Sandpipers, Phalaropes, and allies Parulidae \| Warblers Water birds	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds found in northwest Iowa contributed by Marion M. Brewer. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Brewer, Marion M.	Bald Eagle Swainson's Hawk Turkey Vulture Brewer's Blackbird Le Conte's Sparrow Brown Creeper	Cherokee County Larrabee Lost Island Lake Rush Lake Cherokee Mud Lake Webb	Iowa Ornithologists' Union \| MS 166	20	7
Field notes contributed by Mark D. Dixon, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Scolopacidae \| Sandpipers, Phalaropes, and allies Charadriiformes \| Shore-birds, Gulls, and Auks Fringillidae \| Finches Vireonidae \| Vireos Parulidae \| Warblers Weather Emberizidae \| Sparrows	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds found in central Iowa contributed by Mark D. Dixon. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Dixon, Mark D.	Marbled Godwit Semipalmated Sandpiper Greater Yellowlegs Long-billed Dowitcher Lesser Yellowlegs Stilt Sandpiper Short-billed Dowitcher	Booneville Dallas County Des Moines Madison County Saylorville Lake Walnut Woods State Park Badger Creek State Recreation Area Ashworth Park	Iowa Ornithologists' Union \| MS 166	20	7
Field notes contributed by Mark D. Dixon, summer 1985	Field notes	Bird watching Birds--Counting Parulidae \| Warblers	1985-06-01	1985-07-31	Manuscript, graphic, and printed material	Field notes were contributed by Mark D. Dixon. This item was used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of summer 1985.	Dixon, Mark D.	Broad-winged Hawk Upland Sandpiper Brown-headed Cowbird Vesper Sparrow Eastern Phoebe Wood Duck Gray Partridge Northern Parula Ovenbird Louisiana Waterthrush	Ledges State Park Story County	Iowa Ornithologists' Union \| MS 166	21	7
Field notes contributed by Michael C. Newlon, spring 1979	Field notes Reports	Bird watching Precipitation (Meteorology) Charadriiformes \| Shore-birds, Gulls, and Auks Parulidae \| Warblers Water birds Weather	1979-03-01	1979-05-31	Manuscript, graphic, and printed material	Spring report of birds contributed by Michael C. Newlon with referred sightings from others. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1979.	Newlon, Michael C.	Red-shouldered Hawk Brewer's Blackbird Summer Tanager Yellow-throated Warbler Black Scoter Cerulean Warbler Worm-eating Warbler Connecticut Warbler Water Pipit Greater White-fronted Goose Tundra Swan	Amana Cedar Bluff Cone Marsh Wildlife Management Area Wildcat Den State Park	Iowa Ornithologists' Union \| MS 166	18	9