OAK WOODLAND ESTATE Portola Valley, California The result of a major restoration of both structure and landscape, the gardens and water features incorporate centuries' old stones and artifacts from lost villages of China along with a pallete of plant materials suitable for this equally grand hilltop setting among the oaks Willie Lang, Landscape Architect Paul Cowley, ASLA DSI Landscape Contractors Click on images. Potomac Waterworks, 2451 Potomac Street, Oakland, California 94602-3032 Tel 510-482-1007   Fax 510-482-9465   Email paul@potomacwaterworks.com Website design by HYPERSPHERE. ©2004 Potomac Waterworks. All rights reserved.