David Medeiros

Cartographer, GIS Analyst, GIS Instructor

PDF Maps is a mobile map application that enables you to download maps for offline use on your Apple iOS or Android smartphone or tablet. Use your device's built-in GPS to track your location on the map. Plot and record information about locations, import and export placemarks, measure distance and area, and even plot photos. You can easily browse and purchase maps from all over the world using the convenient in-app PDF Maps Store. Get the app here then use the links below to purchase maps from Medeiros Cartography.

The Koke’e & Na Pali Coast Recreation Map covers Koke’e, Na Pali Coast, and Waimea Canyon state parks - encompassing some of the most rugged and beautiful terrain in Hawaii. This highly detailed and accurate map is the perfect hiking and exploration guide for locals and visitors alike.

See Lake Tahoe like you've never seen it before. Side scan sonar bathymetry. Boat accessible destinations: Marinas, boat ramps, lake side restaurants. This is an ideal boaters guide to the magnificent Lake Tahoe. Excellent GPS map for boating and fishing on Lake Tahoe.

Map and guide to the beautiful and historic lighthouses of the oregon coast. Serves as a coastal driving tour, highlighting the 11 currently existing Oregon lighthouses. Includes range indicators showing each lighthouses visibility from sea and the overlaps between ranges. Guide section with notes on location, year built, lighthouse height and light range in miles. For lighthouses that are open to the public, hours and contact information are provided.

Combines high resolution side scan sonar bathymetry with traditional nautical chart information for a unique and detailed guide to the Tomales Bay. Users can know the precise depth and appearance of the bottom with out the need for a depth finder. Perfect for small boat fishing and exploring.

Map and guide to Hart Mountain National Antelope Refuge in southeast Oregon. The refuge covers more than 422 square miles and is home to a range of wildlife, including including pronghorn antelope, bighorn sheep, mule deer, sage grouse, and redband trout. This map and guide is the perfect tool for exploring the remote corners of this refuge.

The Historic Columbia River Highway stretches some 75 miles between The Dalles to the east and Troutdale in the west. This map covers the western portion between Troutdale and Ainsworth State Park and includes some of the most spectacular scenery of the gorge. Map includes parking and trail-heads at all major waterfalls, parks, and points of interest along the corridor. Beautifully rendered shaded relief depicts the surrounding terrain.