与 «HÁRDPAN»相关的罗马尼亚语书籍
在以下的参考文献中发现
hárdpan的用法。与
hárdpan相关的书籍以及同一来源的简短摘要提供其在 罗马尼亚语文献中的使用情境。
1
Field operations of the Bureau of Soils - Pagina 965
The following table gives the average results of mechanical analyses of this type of soil : Mechanical analyses of Fruita loam. HARDPAN. Strictly speaking, there is no har-dpan in the area mapped, but throughout the valley and occasionally ...
United States. Bureau of Soils,
1907
2
Reference soils of south-western Australia - Pagina 24
... rivers. red duplex sons (SCP3l and red earths Plain of fine- textured alluvium; grey-brown cracking clays ¡SCP4l and grey clays over siliceous har dpan Alluvial fans of medium-textured deposits; brown unditferentiated loamy soils (SCP6l.
W. M. McArthur, Australian Bicentennial Authority, Western Australia. Dept. of Agriculture,
1991
3
Catskill Aqueduct Celebration - Pagina 39
... ledge-rock or into very compact impervious earth foundation, often called har-dpan. The bottoms and slopes of the reservoir basins were cleared of trees, brush, buildings and other objectionable things. Around the reservoir new highways, ...
Municipal Engineers Journal,
1917
4
The Engineering Record, Building Record and Sanitary Engineer
Blue Clay Mvdlufl' BIU¢ Cl son C/ay Hard Clay Sofl Red Clay —Qulsk Sand --— Hard Sand -~~—'—“~ ' Mll'd Sand andaay ~ '1 Har-dpan ~ Sandaod G'dw/ Hard Gravel -—— to June 30, 1902, was $4,549.8191l8, and to s must be added the ...
Charles Frederick Wingate, Henry C. Meyer,
1903
5
The Waterways of New Hampshire--their Types and Distribution
... Mud- Sand-Hardpan 5.3* Sand 5.3* Gravel-Bedrock 5.3* Mud- Sand-Gravel 5.3* Sand-Clay Gravel-Bedrock 5.3* Mud-Si It- Sand- С lay- Bedrock- Har dpan-Grave 1 NATURE OF BOTTOM Total Acreage 1 No Data ACRES OF MARSH 63-50 ...
6
Ground Water Bulletin - Ediţiile 3-4 - Pagina 143
2,1957 6 1 25 22 " D Yellow clay 6;blue clay l8;stones 20;blue clay 26;sand '+7; Ge gravel h8;har-dpan 52;sand gravel 72. orgina Twp. Con VI lot 20 V.liarvey P.Boadway Fay 27,1957 5 5 20 20 Fresh D Sand 3;:-ed quicksand l6;silt 35;blue ...
Ontario Water Resources Commission,
1957