- Title: VM-348
- Summary: BIRTH OF THE SOIL: MAN'S SURVIVAL DEPENDS UPON A FEW INCHES OF TOPSOIL WHICH ONLY NATURE CAN MANUFACTURE OVER A PERIOD OF MANY CENTURIES FROM THE BASIC RAW MATERIALS OF ROCK, WATER, AIR & SUNLIGHT
- Description:00:55:50 - CU DIRT POURS OUT OF MAN'S HAND. TOPSOIL 00:55:54 - WHEAT FIELDS AGRICULTURE 00:56:00 - FARMER TILLS SOIL WITH 1940s FARMING EQUIPMENT 00:56:11 - TIME LAPSE TOPSOIL GROWING. GROWS ONLY AN INCH SINCE 1492. 00:56:24 - TIME LAPSE PLANT GROWING COTTON 00:56:32 - DUST STORM DUST BOWL TOPSOIL BLOWING AWAY. PAN FIELDS RUINED BY DUST BOWL LAND RENDERED USELESS BY NATURE 00:56:54 - MAP OF AMERICA SHOWING CROP LAND WITH LOSS OF LAND SHOWN EITHER BY NATURE OR MAN. BAD MANAGEMENT AND SOIL EROSION 00:57:18 - MUDDY RIVER WATER FLOWING 00:57:24 - DUST STORM DUST BOWL SOIL BLOWING AWAY 00:57:31 - SCENIC NATURE SHOTS. MOUNTAINS, RIVERS, FOREST. TIME LAPSE MOVING CLOUDS. SNOW COVERED MOUNTAINS. 00:58:00 - MOUNTAINS WITH ROCKS BROKEN APART BY EXPANSION AND CONTRACTION CAUSED BY TEMPERATURE CHANGE 00:58:20 - ICE GLACIER CAUSED GRINDING OF THE ROCKS WHEN IT MOVED DOWN THE MOUNTAINSIDE. SHOWS STREAKS AND PARTICLES OF ROCK TORN FROM THE MOUNTAIN. 00:58:46 - ICE COVERED WITH BLANKET OF ROCK GROUND FROM THE MOUNTAIN'S FACE AT THE FOOT OF THE GLACIER 00:58:54 - ROCK PARTICLES RELEASED FROM GLACIER AS IT MELTS. BROKEN ROCK DROPPING FROM FACE OF THE GLACIER INTO THE LAKE 00:59:18 - STREAM FORMED BY THE MELTING ICE BECOMES A RIVER. ROCKS BEATEN DOWN TO SMALLER SIZE BY TURBULENT ACTION OF THE CURRENT 00:59:36 - GLACIAL STREAM CARRIES ROCKS INTO A CLEAR BROOK 00:59:45 - PAN VALLEY MADE OF SAND FROM GLACIAL ROCKS 00:59:53 - MOUNTAIN SIDE, CLIFF 01:00:06 - CU LICHEN GROWING ON ROCKS 01:00:25 - TIME LAPSE LICHEN OPENING UP, GROWING 01:00:36 - SEED BEDS PLANTS ORGANIC MATTER GROWING ON ROCKS 01:00:50 - SMALL TREE GROWING ON ROCK. PLANTS GROWING ON ROCKS 01:01:12 - TIME LAPSE PLANTS GROWING UP FROM THE SOIL 01:01:57 - TIME LAPSE ROOTS GROWING UNDERGROUND IN SOIL 01:02:13 - ANIMATED PLANT GROWS WITH ELEMENTS LISTED ON SCREEN OXYGEN NITROGEN, HYDROGEN, CARBON. 01:02:46 - HUNDREDS OF INSECTS MOVING AROUND ON THE FOREST FLOOR EATING DEAD PLANT 01:03:05 - PLANTS. FOREST TROPICAL TREES 01:03:13 - CONDUCTING EXPERIMENT COMPARISON BETWEEN HUMUS AND RAW SOIL. POURING WATER INTO EACH, RAW SOIL LOSES LOTS OF WATER, HUMUS ABSORBS. RAW SOIL LICHENS. 01:03:33 - CU WORMS UNDERGROUND 01:03:59 - TIME LAPSE SEEDS GROWING 01:04:21 - BARREN MOUNTAINS DUE TO DUST BOWLS 01:04:26 - TIME LAPSE LICHEN CLOSING UP 01:04:34 - PLANTS, FLOWERS, FOREST 01:04:49 - MAN POURS TOPSOIL OUT OF HIS HAND 01:04:54 - ANIMATED CHAIN OF RAW MATERIALS, ENERGY, PLANTS, TOP SOIL 01:05:09 - CU 1940s TILLER DIGGING THROUGH SOIL 01:05:15 - LAND LOST TO DUST STORMS DUST BOWL 01:05:21 - GREEN HEALTHY WHEAT FIELDS
- Collection: Historic Films
- Producer:Historic Films
- Transmission Date:01/01/1948
- Rights:On request
- Decade: 1940s
- File Name: VM-348