The scenery has improved in the century since Elizabeth Lord and Edith Schryver founded the first landscape architecture firm owned and operated by women in the Pacific Northwest. Home gardeners who rely on the region’s expansive nursery offerings, landscape professionals who continue to find inspiration in Lord and Schryver’s timeless designs and even tourists who appreciate billboard-free highways have these women to thank. They were “progressive and concerned about the public aesthetic,” said Bobbie Dolp of Salem, who helped preserve Gaiety Hollow, Lord and Schryver’s former Salem home, garden and studio, which is open to the public. Another estate they enhanced, Deepwood, is now a Salem city park. In all,…