I live in a small town in Iowa. The more I drive around and look at things, the more I feel a need to photograph the old farm buildings I see. They are disappearing fast. These buildings, some over 100 years old, are a thing of the past. The old wood barns & brick silos are being torn down daily. The way the light moves around & through these old buildings is really beautiful. The newer metal buildings, while better for the farmers, are not nearly as beautiful. They just dont jive with the land as well. Im just starting out with a personal project photographing the old buildings with an 8x10 camera. When I see one that Id like to photograph I make note of it. If its near a house, Ill sometimes stop & knock to ask for permission to come back. Most of these buildings are not near homes. Most are right off the road, nestled in a corn or bean field. How would/should I go about asking permission to photograph these places when I have no idea who to ask? What do you do in a situation like this? Do you hunt down the owner, or just make some photographs without asking?