XIX. THE SCENERY IN THE SKY 340 1. TIMBER-LINE 340 2. ABOVE THE TIMBER-LINE 345 3. THE WORK OF THE ICE KING 351 4. HIGH PEAKS 356 XX. JOHN MUIR 360 XXI. NATIONAL PARKS THE SCHOOL OF NATURE 366 XXII. WHY WE NEED NATIONAL PARKS 378 XXIII. THE TRAIL 388 APPENDIX _A._ ACT OF DEDICATION OF THE YELLOWSTONE NATIONAL PARK 397 _B._ THE NATIONAL PARKS AT A GLANCE 400 _C._ PROPOSED NATIONAL PARKS 403 _D._ NATIONAL MONUMENTS 405 _E._ DOMINION NATIONAL PARKS OF CANADA 412 BIBLIOGRAPHY 415 GUIDE TO THE NATIONAL PARKS INTRODUCTION 425 YELLOWSTONE NATIONAL PARK 433 YOSEMITE NATIONAL PARK 444 SEQUOIA NATIONAL PARK 455 GENERAL GRANT NATIONAL PARK 459 MOUNT RAINIER NATIONAL PARK 460 CRATER LAKE NATIONAL PARK 470 GLACIER NATIONAL PARK 475 MESA VERDE NATIONAL PARK 488 ROCKY MOUNTAIN NATIONAL PARK 491 THE GRAND CAÑON 495 LASSEN VOLCANIC NATIONAL PARK 500 HAWAII NATIONAL PARK 502 MOUNT MCKINLEY NATIONAL PARK 505 HOT SPRINGS OF ARKANSAS 506 MINOR NATIONAL PARKS CASA GRANDE RUIN 508 WIND CAVE NATIONAL PARK 508 PLATT NATIONAL PARK 509 SULLY'S HILL PARK 509 NATIONAL MONUMENTS 510 CANADIAN PARKS ROCKY MOUNTAINS PARK 515 YOHO PARK 516 GLACIER PARK 517 JASPER PARK 518 REVELSTOKE PARK 518 WATERTON LAKES PARK 519 BUFFALO PARK 519 ELK ISLAND PARK 520 ST. LAWRENCE ISLANDS PARK 520