by Butler, Robert L.
Pennsylvania waterfalls : a guide for hikers and photographers
Fifty hikes in western Pennsylvania : walks and day hikes from the Laurel Highlands to Lake Erie
Hiking Pennsylvania : a guide to the state's greatest hikes
50 hikes in eastern Pennsylvania : from the Mason-Dixon Line to the Poconos and North Mountain
Hiking waterfalls in Pennsylvania : a guide to the state's best waterfall hikes
Outbound journeys in Pennsylvania : a guide to natural places for individual and group outings
More outbound journeys in Pennsylvania : a guide to natural places for individual and group outings
Hiking the endless mountains : exploring the wilderness of northeastern Pennsylvania
Pennsylvania State Parks : a complete outdoor recreation guide for campers, boaters, anglers, hikers and outdoor lovers
50 hikes in central Pennsylvania : from the Great Valley to the Allegheny Plateau
The mountain biker's guide to Central Appalachia
Guide to the Appalachian trail in Pennsylvania
Mountain biking Pennsylvania
The short hiker : small green circles
Going local! : an adventurer's guide to unique eats, cool pubs & cozy cafés of Central Pennsylvania
Going local! Volume 2 : an adventurer's guide to unique eats, cool pubs & cozy cafés of Central Pennsylvania
30 great mountain bike tours in central Pennsylvania
AMC's best day hikes near Philadelphia : four-season guide to 50 of the best trails in eastern Pennsylvania, New Jersey, and Delaware
Hiking Arizona : a guide to the state's greatest hiking adventures
County courthouses of Pennsylvania :a guide
Great hikes in the Poconos and northeast Pennsylvania
Hiking Pennsylvania 55 of the State's Greatest Hiking Adventures
Hiking through history Pennsylvania : exploring the state's past by trail
Backpacking Pennsylvania : 37 great trails
Rockhounding Pennsylvania and New Jersey : a guide to the states' best rockhounding sites
Pennsylvania overlooks : a guide for sightseers and outdoor people
African Americans in Pennsylvania : a history and guide
Keystone canoeing : a guide to canoeable waters of eastern Pennsylvania
The best places you've never seen : Pennsylvania's small museums : a traveler's guide
Kids love Pennsylvania : a parent's guide to exploring fun places in Pennsylvania with children-- year round!
Kids love Pennsylvania : a family travel guide to exploring "kid-tested" places in Pennsylvania ...year round!
Happy kids in Happy Valley : over 145 activities in the Centre County Region for kids of all ages!
Natural Pennsylvania :exploring the state forest natural areas
National Geographic photography field guide : people & portraits : secrets to making great pictures
A guide to monastic guest houses
A guide to the Allegheny National Forest
Trout streams and hatches of Pennsylvania : a complete fly-fishing guide to 140 streams
Sones, E. Kepler.
Seven Mountains (Pa.)
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211 S. Allen Street
State College, PA 16801