The Late Cretaceous Niobrara Formation in the south-central South Dakota (USA): a correlation study using porosity and gamma ray logs

2017 ◽  
Author(s):  
Gregório do Patrocínio Pedro ◽  
Soraya Gardel Carelli ◽  
John Foster Sawyer ◽  
Ana Paola Martins ◽  
Thiago Moreira
2018 ◽  
Vol 37 (10) ◽  
pp. 112-118 ◽  
Author(s):  
Feiyan Du ◽  
Lianggen Wang ◽  
Zhenzu Xu ◽  
Jiaqi Huang ◽  
Donghui Guo

2011 ◽  
Vol 37 (6) ◽  
pp. 265-268
Author(s):  
Wayne Geyer ◽  
Peter Schaefer ◽  
Keith Lynch

Ponderosa pine (Pinus ponderosa Laws.) has been planted widely in the Great Plains of the United States for windbreaks. Recommendations based on a 1968 study were to use material from south central South Dakota and north central Nebraska. A second test to further delineate seed sources (provenances) in this region was established in 1986. This paper reports results for survival, height, diameter, and D2H measurements in both Kansas and South Dakota, after 15 years. Results identify a wide range of suitable geographic provenances within the two-state region. A majority of the tested sources performed well in both states, thus verifying the original recommendations.


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