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| 0001558370-19-000642-index.html | 2019-02-13 17:18:23 | |
| 0001558370-19-000642.txt | 2019-02-13 17:18:23 | |
 0001558370-19-000642-xbrl.zip | 91063 | 2019-02-13 17:18:23 |
| amgp-20181231.xml | 960160 | 2019-02-13 17:18:23 |
| amgp-20181231.xsd | 36139 | 2019-02-13 17:18:23 |
| amgp-20181231ex211dba597.htm | 18451 | 2019-02-13 17:18:23 |
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| amgp-20181231ex311ab6755.htm | 17243 | 2019-02-13 17:18:23 |
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| amgp-20181231ex3216e6194.htm | 7953 | 2019-02-13 17:18:23 |
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| amgp-20181231x10k.htm | 3056840 | 2019-02-13 17:18:23 |
| amgp-20181231_cal.xml | 33180 | 2019-02-13 17:18:23 |
| amgp-20181231_def.xml | 110115 | 2019-02-13 17:18:23 |
| amgp-20181231_lab.xml | 305041 | 2019-02-13 17:18:23 |
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 amgp20181231x10k002.jpg | 18502 | 2019-02-13 17:18:23 |
| FilingSummary.xml | 21075 | 2019-02-13 17:18:23 |
| Financial_Report.xlsx | 43626 | 2019-02-13 17:18:23 |
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| report.css | 2767 | 2019-02-13 17:18:23 |
| Show.js | 1085 | 2019-02-13 17:18:23 |