PLYMOUTH, NH (AP).- A hydrologist and a historian may seem like odd choices to co-author an art exhibition catalog, but it makes perfect sense at Plymouth State University. Professors Mark Green and Marcia Schmidt Blaine researched and wrote the explanatory text for “As Time Passes Over the Land,” a collection of 29 paintings of New Hampshire’s White Mountains on temporary display at the university’s Karl Drerup Art Gallery. Their collaboration reflects the university’s approach to not just the exhibit but to the Museum of the White Mountains it plans to open next year. “It’s going to be completely transdisciplinary,” said Catherine Amidon, director of the gallery and interim director of the planned museum. “Ecology, history, tourism. It’s not an art museum; it’s not a natural history museum; it’s not a science a museum. It’s comprehensive, and it’s all about the region.” When Amidon walks through the modest exhibit featuring the work