Tags: Conservation Field Day, Hardin County Soil Conservation District, Pine Lake State Park
Tags: Black Hawk County, Iowa Master Farmer Award
Tags: History, Photograph
![Henry Wallace correspondence [reel 2], 1854-1936](https://www.iowaheritage.org/files/thumbnails/4fb84a3e2355f6da301bdac63ce79166.jpg "Henry Wallace correspondence [reel 2], 1854-1936")
![Henry Wallace correspondence [reel 4], 1858-1909](https://www.iowaheritage.org/files/thumbnails/3901fae183b740a95bbf6081e2dbcc98.jpg "Henry Wallace correspondence [reel 4], 1858-1909")
![Henry Wallace correspondence [reel 3], 1863-1924](https://www.iowaheritage.org/files/thumbnails/b2faf091ca8052bede813cbf1d083417.jpg "Henry Wallace correspondence [reel 3], 1863-1924")
![Henry Wallace correspondence [reel 1], 1859-1934](https://www.iowaheritage.org/files/thumbnails/7bbad9a9fd34b055e825fcab532374f7.jpg "Henry Wallace correspondence [reel 1], 1859-1934")
![Henry A. Wallace correspondence [reel 14], Apr. 14, 1932-June 13, 1932](https://www.iowaheritage.org/files/thumbnails/756abc8a141ceb83cc00845b2240052f.jpg "Henry A. Wallace correspondence [reel 14], Apr. 14, 1932-June 13, 1932")
