Found 31 incidents matching the year '1977'.
| Date | Cave | State | Country | Category | Flags | |
|---|---|---|---|---|---|---|
| Dec. 18, 1977 1977-12-18 | Crevice Cave | Missouri | United States of America | Cave | View | |
| Dec. 17, 1977 1977-12-17 | Sotano De Las Golondrinas | Mexico | Cave | View | ||
| Dec. 13, 1977 1977-12-13 | Sotano Huiztmolotitla | Mexico | Cave | View | ||
| Nov. 26, 1977 1977-11-26 | Sloan's Valley Cave | Kentucky | United States of America | Cave | View | |
| Nov. 25, 1977 1977-11-25 | Ellison's Cave | Georgia | United States of America | Cave | View | |
| Nov. 12, 1977 1977-11-12 | Afternoon Delight Cave | British Columbia | Canada | Cave | View | |
| Oct. 17, 1977 1977-10-17 | Twin Airplane Cave | Tennessee | United States of America | Cave | View | |
| Oct. 14, 1977 1977-10-14 | Twigg's Cave | Maryland | United States of America | Cave | View | |
| Oct. 1, 1977 1977-10-01 | Quatsino Master Cave | British Columbia | Canada | Cave | View | |
| Sept. 10, 1977 1977-09-10 | Morrison's Cave | Kentucky | United States of America | Cave | View | |
| Sept. 3, 1977 1977-09-03 | Rorie Cave | Arkansas | United States of America | Cave | View | |
| Sept. 3, 1977 1977-09-03 | Valhalla Cave | Alabama | United States of America | Cave | View | |
| Aug. 28, 1977 1977-08-28 | Cass Cave | West Virginia | United States of America | Cave | View | |
| Aug. 8, 1977 1977-08-08 | Cave Near Lake Purdy | Alabama | United States of America | Cave | View | |
| Aug. 1, 1977 1977-08-01 | Henson's Cave | Missouri | United States of America | Cave | View | |
| July 30, 1977 1977-07-30 | Canadian Hole | West Virginia | United States of America | Cave | View | |
| July 30, 1977 1977-07-30 | My Cave | West Virginia | United States of America | Cave | View | |
| July 9, 1977 1977-07-09 | Organ Cave | West Virginia | United States of America | Cave | View | |
| June 11, 1977 1977-06-11 | Palos Verdes Peninsula Sea Cave | California | United States of America | Cave | View | |
| June 1, 1977 1977-06-01 | Mcclure's Cave | Pennsylvania | United States of America | Cave | View | |
| May 23, 1977 1977-05-23 | Sheepman's Cave | Maryland | United States of America | Cave | View | |
| April 16, 1977 1977-04-16 | Cumberland Caverns | Tennessee | United States of America | Cave | View | |
| April 2, 1977 1977-04-02 | Connie's Cave | California | United States of America | Cave | View | |
| April 2, 1977 1977-04-02 | 23 Dollar Cave | Alabama | United States of America | Cave | View | |
| March 31, 1977 1977-03-31 | Sotano San Agustin | Oaxaca | Mexico | Cave | View | |
| March 28, 1977 1977-03-28 | Sotano San Agustin | Oaxaca | Mexico | Cave | View | |
| March 27, 1977 1977-03-27 | Indian Creek Cave | Missouri | United States of America | Cave | View | |
| March 1, 1977 1977-03-01 | Sumidero Yochib | Chiapas | Mexico | Cave | View | |
| Feb. 20, 1977 1977-02-20 | Indian Grave Point Cave | Tennessee | United States of America | Cave | View | |
| Feb. 7, 1977 1977-02-07 | Devil's Eye Spring | Florida | United States of America | Cave Diving | View | |
| Jan. 2, 1977 1977-01-02 | Cooch-Webb Cave | Kentucky | United States of America | Cave | View |