The National Geographic Magazine, Volume 85National Geographic Society, 1944 - Geography Indexes kept up to date with supplements. |
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Page 129
... feet high . At noon it began belching stones . Again they felt the earth quake . It had been trembling for a week . Within a week the cone had grown to 500 feet . In ten weeks it was 1,100 feet . From its crater masses of vapor rose ...
... feet high . At noon it began belching stones . Again they felt the earth quake . It had been trembling for a week . Within a week the cone had grown to 500 feet . In ten weeks it was 1,100 feet . From its crater masses of vapor rose ...
Page 573
... feet , or even more . But most coal comes from beds 3 to 8 feet thick . It may lie from a few feet to 4,000 feet or more below the surface . A coal bed is not uniformly thick , nor is the nature of the coal identical from top to bottom ...
... feet , or even more . But most coal comes from beds 3 to 8 feet thick . It may lie from a few feet to 4,000 feet or more below the surface . A coal bed is not uniformly thick , nor is the nature of the coal identical from top to bottom ...
Page 739
... feet eleva- tion after the aneroid reached its limit . Here we came to the edge of the grasslands , and rock took ... feet in round - topped , roll- ing grasslands . We spent three days above the timber line in grass of varying values ...
... feet eleva- tion after the aneroid reached its limit . Here we came to the edge of the grasslands , and rock took ... feet in round - topped , roll- ing grasslands . We spent three days above the timber line in grass of varying values ...
Contents
Brazils Potent Weapons By W ROBERT MOORE | 41 |
Paricutín the Cornfield That Grew a Volcano Mexico By JAMES A GREEN | 129 |
Saboteur Mosquitoes By HARRY H STage | 165 |
Copyright | |
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