| original |
Early Namurian A |
|
Poland |
Jachowicz,A. Spore associations and stratigraphical position of Coal Seam at Kolzlowa Gora, (Upper Silesian Basin). |
1959 |
| details |
Westphalian B |
Westphalian C |
Poland |
Dembowski,Z. et al. Redeposited coal fragments and pebbles in the sandstones of the Orzesze and Laziska Beds in the MiedzyrzeczeIg 2 borehole |
1964 |
| details |
Visean |
Namurian |
Poland |
Jachowicz,A. Megaspore studies. (In: The results of Kozlowa Gora borehole. A.Jachowicz et al, editors). |
1968 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |