Pete Grube: #102) Summer Wildflowers of the Indiana Dunes
Pete Grube: #103) Native Orchids of the Indiana Dunes
Pete Grube: #104) Spring Warblers of the Indiana Dunes Poster
Pete Grube: #105) Gulls and Terns of the Indiana Dunes Poster
Pete Grube: #106) Shorebirds of the Indiana Dunes Poster
Pete Grube: #107) Birds of the Indiana Dunes Poster
Pete Grube: #108) Birds of the Indiana Dunes Poster
Pete Grube: #109) Birds of the Indiana Dunes
Pete Grube: #110) Birds of the Indiana Dunes
Pete Grube: #111) Common Birds of the Indiana Dunes
Pete Grube: Showy Lady's-slipper Orchid
Pete Grube: Sandhill Crane Poster
Pete Grube: Slipper Orchid Poster
Pete Grube: Great Egret Poster
Pete Grube: Large-flowered Trillium Poster
Pete Grube: Prairie Gentian Poster
Pete Grube: Red-tailed Hawk Poster
Pete Grube: Orchids of the Indiana Dunes Poster
Pete Grube: LupinePoster
Pete Grube: Spring Beauty Poster
Pete Grube: Fringed Gentian Poster
Pete Grube: Bloodroot Poster
Pete Grube: Grass-pink Orchid Poster
Pete Grube: Prairie Gentian Poster
Pete Grube: Michigan City Harbor Red Knot Poster
Pete Grube: Michigan City Harbor Willet Poster
Pete Grube: Birding Indiana Poster
Pete Grube: Michigan City Harbor American Avocet Poster
Pete Grube: Michigan City Harbor Red Phalorope Poster
Pete Grube: Michigan City Harbor Sanderling Poster